

Space
NASA’s newest space observatory could sniff exoplanet atmospheres for signs of life
Over the course of our existence, humanity has struggled to definitively answer the question: “Are we alone?”
Is Earth the only planet in the vast cosmic sea that contains life? As our technology becomes more advanced, we get closer and closer to the answer.
Our solar system contains a multitude of worlds, planetary bodies ranging from ice planets to gas giants with magnificent rings to rocky, terrestrial worlds like our own. But what lies out beyond our stellar neighborhood?
It’s only been in the last few decades that scientists have detected planets orbiting other stars. We call them exoplanets. Since that initial discovery, researchers have trained their telescopes on the cosmos in search of new and different worlds.
Their efforts were not in vain, as thousands of exoplanets have been detected. Now, scientists are starting to shift their focus to the individual planets and learning as much as they can about them. Do they contain life? What are they made of? What kind of atmosphere do they have?
These are the types of questions we hope to answer about the alien worlds that fill our universe.
One element essential to life on Earth is oxygen. Its presence is what scientists refer to as a biosignature. (These are the types of things NASA’s next Mars rover will look for.) A recent paper published in Nature Astronomy details a new technique that scientists are hoping will help them detect the presence of oxygen in exoplanet atmospheres.
Like methane, oxygen is a biosignature but its presence does not guarantee we will find life. There are plenty of non-biological processes that produce oxygen (as well as methane). However, if other biosignatures are detected in addition to oxygen, the chances of life increase significantly.
NASA’s Curiosity rover detected a methane cycle on Mars that varies with the seasons. However, its orbital counterparts — European spacecraft TGO and Mars Express — have not. The science team is working to identify what is causing the methane spikes as well as why it seems to disappear as it rises through the atmosphere.

“Oxygen is one of the most exciting molecules to detect because of its link with life, but we don’t know if life is the only cause of oxygen in an atmosphere,” Edward Schwieterman, an astrobiologist at UC Riverside and co-author on the study, said in a statement. “This technique will allow us to find oxygen in planets both living and dead.”
The new method was developed by a team led by Thomas Fauchez, a planetary scientist at NASA’s Goddard Space Flight Center. It is derived from the behavior of oxygen molecules in Earth’s atmosphere.
When oxygen molecules collide, they produce a signal—a very subtle dip in infrared radiation. Unfortunately, that signal is so faint that current observatories cannot detect it in distant planets. But that will soon change. NASA’s latest and greatest telescope, the James Webb Space Telescope (JWST) will come online sometime in the next few years. Fauchez’s team has shown that JWST, which will observe the universe in the infrared, should have what it takes to spot it.
- When NASA’s James Webb Space Telescope comes online, it will help us identify the best planets to look for life. Credit: NASA
- The Mars 2020 rover now has an offical name: Perseverance. Credit: NASA/JPL-Caltech
“Before our work, oxygen at similar levels as on Earth was thought to be undetectable with Webb,” said Fauchez in a statement. “This oxygen signal is known since the early 1980s from Earth’s atmospheric studies but has never been studied for exoplanet research.”
In the meantime, NASA’s Mars 2020 rover will launch to the red planet in July. Once it’s on Mars, it will study Jezero Crater, the site of an ancient river delta and scan the region for signs of life (like oxygen, methane, and other biosignatures). The rover will also bag up bits of Mars to be returned to Earth at a later date.
News
SpaceX Ax-4 Mission prepares for ISS with new launch date
SpaceX, Axiom Space, and NASA set new launch date for the Ax-4 mission after addressing ISS & rocket concerns.

SpaceX is preparing for a new launch date for the Ax-4 mission to the International Space Station (ISS).
SpaceX, Axiom Space, and NASA addressed recent technical challenges and announced a new launch date of no earlier than Thursday, June 19, for the Ax-4 mission. The delay from June 12 allowed teams to assess repairs to small leaks in the ISS’s Zvezda service module.
NASA and Roscosmos have been monitoring leaks in the Zvezda module’s aft (back) segment for years. However, stable pressure could also result from air flowing across the hatch seal from the central station. As NASA and its partners adapt launch schedules to ensure station safety, adjustments are routine.
“Following the most recent repair, pressure in the transfer tunnel has been stable,” a source noted, suggesting the leaks may be sealed.
“By changing pressure in the transfer tunnel and monitoring over time, teams are evaluating the condition of the transfer tunnel and the hatch seal between the space station and the back of Zvezda,” the source added.
SpaceX has also resolved a liquid oxygen leak found during post-static fire inspections of the Falcon 9 rocket, completing a wet dress rehearsal to confirm readiness. The Ax-4 mission is Axiom Space’s fourth private astronaut trip to the ISS. It will launch from NASA’s Kennedy Space Center in Florida on a Falcon 9 rocket with a new Crew Dragon capsule.
“This is the first flight for this Dragon capsule, and it’s carrying an international crew—a perfect debut. We’ve upgraded storage, propulsion components, and the seat lash design for improved reliability and reuse,” said William Gerstenmaier, SpaceX’s vice president of build and flight reliability.
The Ax-4 mission crew is led by Peggy Whitson, Axiom Space’s director of human spaceflight and former NASA astronaut. The Ax-4 crew includes ISRO astronaut Shubhanshu Shukla as pilot, alongside mission specialists Sławosz Uznański-Wiśniewski from Poland and Tibor Kapu from Hungary. The international team underscores Axiom’s commitment to global collaboration.
The Ax-4 mission will advance scientific research during its ISS stay, supporting Axiom’s goal of building a commercial space station. As teams finalize preparations, the mission’s updated launch date and technical resolutions position it to strengthen private space exploration’s role in advancing space-based innovation.
News
Starlink India launch gains traction with telecom license approval
Starlink just secured its telecom license in India! High-speed satellite internet could go live in 2 months.

Starlink India’s launch cleared a key regulatory hurdle after securing a long-awaited license from the country’s telecom ministry. Starlink’s license approval in India paves the way for commercial operations to begin, marking a significant milestone after a three-year wait.
The Department of Telecommunications granted Starlink a Global Mobile Personal Communication by Satellite (GMPCS) license, enabling it to roll out its high-speed internet service. Local reports hinted that Starlink plans to launch its services within the next two months. Starlink India’s services are expected to be priced at ₹3,000 per month for unlimited data. Starlink service would require a ₹33,000 hardware kit, including a dish and router.
“Starlink is finally ready to enter the Indian market,” sources familiar with the rollout plans confirmed, noting a one-month free trial for new users.
Starlink’s low-Earth orbit satellite network promises low-latency, high-speed internet that is ideal for rural India, border areas, and hilly terrains. With over 7,000 satellites in orbit and millions of global users, Starlink aims to bridge India’s digital divide, especially in areas with limited traditional broadband.
Starlink has forged distribution partnerships with Indian telecom giants Reliance Jio and Bharti Airtel to streamline deployment and retail logistics. However, the company still awaits spectrum allocation and final clearances from India’s space regulator, IN-SPACe, and national security agencies before its full launch, expected before August 2025.
India’s satellite internet market is becoming increasingly competitive, with Starlink joining rivals like OneWeb and Jio Satellite Communications. While Starlink positions itself as a premium offering, its entry has sparked debate among domestic telecom operators over spectrum pricing.
Local reports noted that other players in the industry have raised concerns over the lower regulatory fees proposed for satellite firms compared to terrestrial operators, highlighting tensions in the sector.
Starlink India’s launch represents a transformative step toward expanding internet access in one of the world’s largest markets. Starlink could redefine connectivity for millions in underserved regions by leveraging its advanced satellite technology and strategic partnerships. As the company navigates remaining regulatory steps, its timely rollout could set a new standard for satellite internet in India, intensifying competition and driving innovation in the telecom landscape.
Elon Musk
SpaceX to decommission Dragon spacecraft in response to Pres. Trump war of words with Elon Musk
Elon Musk says SpaceX will decommission Dragon as a result of President Trump’s threat to end his subsidies and government contracts.

SpaceX will decommission its Dragon spacecraft in response to the intense war of words that President Trump and CEO Elon Musk have entered on various social media platforms today.
President Trump and Musk, who was once considered a right-hand man to Trump, have entered a vicious war of words on Thursday. The issues stem from Musk’s disagreement with the “Big Beautiful Bill,” which will increase the U.S. federal deficit, the Tesla and SpaceX frontman says.
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The insults and threats have been brutal, as Trump has said he doesn’t know if he’ll respect Musk again, and Musk has even stated that the President would not have won the election in November if it were not for him.
President Trump then said later in the day that:
“The easiest way to save money in our Budget, Billions and Billions of Dollars, is to terminate Elon’s Government Subsidies and Contracts. I was always surprised that Biden didn’t do it!”
Musk’s response was simple: he will decommission the SpaceX capsule responsible for transporting crew and cargo to the International Space Station (ISS): Dragon.
🚨 Elon says Dragon will be decommissioned immediately due to President Trump’s threats to terminate SpaceX’s government contracts https://t.co/XNB0LflZIy
— TESLARATI (@Teslarati) June 5, 2025
Dragon has completed 51 missions, 46 of which have been to the ISS. It is capable of carrying up to 7 passengers to and from Earth’s orbit. It is the only spacecraft that is capable of returning vast amounts of cargo to Earth. It is also the first private spacecraft to take humans to the ISS.
The most notable mission Dragon completed is one of its most recent, as SpaceX brought NASA astronauts Butch Wilmore and Suni Williams back to Earth after being stranded at the ISS by a Boeing Starliner capsule.
SpaceX’s reluctance to participate in federally funded projects may put the government in a strange position. It will look to bring Boeing back in to take a majority of these projects, but there might be some reluctance based on the Starliner mishap with Wilmore and Williams.
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