

Space
‘Marsquakes’ are a thing and they can tell us a lot about the red planet
NASA’s InSight lander has spent the last year listening to the deep rumble of the red planet’s interior. And its first batch of data is in. The stationary lander found out that Mars’ magnetic field is constantly changing, but that’s not all. InSight also delivered the first direct evidence of marsquakes.
Here on Earth, geologists use seismometers to listen to the planet’s inner stirrings. InSight is the first robotic explorer to carry a seismometer to another planet. And it’s shown that Mars is not the dead, lifeless world it appears to be — the red planet is actually geologically active.
“This is the first mission focused on taking direct geophysical measurements of any planet besides Earth, and it’s given us our first real understanding of Mars’ interior structure and geological processes,” geologist Nicholas Schmerr of the University of Maryland said in a news release.
“These data are helping us understand how the planet works, its rate of seismicity, how active it is and where it’s active.”
InSight’s seismometer, an ultra-sensitive instrument provided by the French space agency, will shed some light on the red planet’s inner workings over the course of its mission. Officially dubbed the Seismic Experiment for Interior Structure, the SEIS instrument detected its first Martian rumblings last April.
Ever since, scientists were eager to get their hands on the full spectrum of data, to better understand just how active our celestial neighbor might be.
These first Martian murmurs were so faint, they’d probably go unnoticed by anyone on the surface. Roughly equivalent to about a 2 or 2.5 quake here on Earth, to InSight’s science team, these were incredibly exciting and just the beginning of a new era of Mars science.
Seismic waves can tell us a lot about a planetary body. They act like an ultrasound, allowing us to “peer” below the surface and determine the planet’s composition.
Here on Earth, seismic waves are caused by the movement of tectonic plates gliding over the planet’s mantle. When the plates jockey for position, stress builds up until it reaches a critical point, and that’s when an earthquake is triggered. But not every planetary body has these types of plates. The moon, for instance, has seismic activity that’s caused by a different method.
After a planetary body is formed, it has a primordial heat source that over time cools off. In the case of a rocky body, like the moon, that lacks any sort of tectonic plate movement, the seismic activity is caused by internal cooling. As the satellite cools, it ever so slightly shrinks, sending minute seismic waves propagating through its interior. The Apollo program recorded examples of this and InSight has now shown that Mars has similar activity.

Seismic data was collected over the course of 235 Martian days. 174 marsquakes were recorded during that time; 150 of those were shown to be similar to the Apollo program’s findings on the moon. Three of the other 24 produced wave patterns similar to quakes experienced here on Earth as a result of tectonic plate movement.
But as far as we know, Mars does not have tectonic plates. The science team was able to pinpoint the origin of three of the quakes: a fractured piece of land called Cerberus Fossae. Here the ground is cracked and fractured suggesting it was once tectonically or volcanically active. (Sometime within the last 10 million years, something pulled the ground apart here.)
Scientists are hoping that as more data comes in, they will be able to piece together what is causing Mars to tremble, and learn more about the red planet’s interior in the process.
Elon Musk
Elon Musk reveals when SpaceX will perform first-ever Starship catch
“Starship catch is probably flight 13 to 15, depending on how well V3 flights go,” Musk said.

Elon Musk revealed when SpaceX would perform the first-ever catch attempt of Starship, its massive rocket that will one day take life to other planets.
On Tuesday, Starship aced its tenth test flight as SpaceX was able to complete each of its mission objectives, including a splashdown of the Super Heavy Booster in the Gulf, the deployment of eight Starlink simulators, and another splashdown of the ship in the Indian Ocean.
It was the first launch that featured a payload deployment:
SpaceX Starship Flight 10 was so successful, it’s breaking the anti-Musk narrative
SpaceX was transparent that it would not attempt to catch the Super Heavy Booster, something it has done on three previous occasions: Flight 5 on October 13, 2024, Flight 7 on January 16, and Flight 8 on March 6.
This time, it was not attempting to do so. However, there are bigger plans for the future, and Musk detailed them in a recent post on X, where he discussed SpaceX’s plans to catch Starship, which would be a monumental accomplishment.
Musk said the most likely opportunities for SpaceX to catch Starship itself would be Flight 13, Flight 14, and Flight 15, but it depends on “how well the V3 flights go.”
The Starship launched with Flight 10 was a V2, which is the same size as the subsequent V3 rocket but has a smaller payload-to-orbit rating and is less powerful in terms of initial thrust and booster thrust. Musk said there is only one more V2 rocket left to launch.
Starship catch is probably flight 13 to 15, depending on how well V3 flights go
— Elon Musk (@elonmusk) August 27, 2025
V3 will be the version flown through 2026, as V4, which will be the most capable Starship build SpaceX manufactures, is likely to be the first company ship to carry humans to space.
Musk said that SpaceX planned to “hopefully” attempt a catch of Starship in 2025. However, it appears that this will likely be pushed back to 2026 due to timing.
SpaceX will take Starship catch one step further very soon, Elon Musk confirms
SpaceX would need to launch the 11th and 12th test flights by the end of the year in order to get to Musk’s expected first catch attempt of Flight 13. It’s not unheard of, but the company will need to accelerate its launch rate as it has only had three test flights this year.
News
SpaceX aces Starship test flight 10 with successful payload deployment
The mission began at 6:30 p.m. local time in Starbase, Texas, when the launch of Starship initiated. After about eight minutes, stage separation was completed, and the Super Heavy Booster headed back down to Earth for a planned splashdown in the Indian Ocean:

SpaceX aced its tenth Starship test flight on Tuesday night after multiple delays pushed the mission back to this evening. Originally scheduled for Sunday night, SpaceX had two delays push the flight back to Tuesday, which ultimately provided ideal conditions for a launch attempt.
The tenth test flight of Starship had several objectives, including a successful splashdown of the booster in the Gulf of America, the deployment of eight Starlink simulation modules from the PEZ dispenser, and a splashdown of the ship in the Indian Ocean.
SpaceX successfully achieved all three of these objectives, making it one of the most successful test flights in the Starship program. There was no attempt to catch the booster this evening, as the company had been transparent about it ahead of the launch.
The mission began at 6:30 p.m. local time in Starbase, Texas, when the launch of Starship initiated. After about eight minutes, stage separation was completed, and the Super Heavy Booster headed back down to Earth for a planned splashdown in the Indian Ocean:
Super Heavy has splashed down in the Gulf pic.twitter.com/LGozUAmLt8
— SpaceX (@SpaceX) August 26, 2025
Starship was then the main focus of the rest of the broadcast as it completed its ascent burn and coasted through space, providing viewers with spectacular views as the mission headed toward new territory, including the deployment of Starlink simulators. This would be the first time SpaceX would attempt a payload deployment.
The deployment works like a PEZ dispenser, as the simulators were stacked on top of one another and would exit through a small slit one at a time.
This occurred roughly 20 minutes into the mission:
Open the pod bay door, HAL
Starship deploying @Starlink simulator sats pic.twitter.com/3CSOyulzcJ
— SpaceX (@SpaceX) August 26, 2025
An hour and six minutes into the flight, Starship reached its final destination, which was the Indian Ocean. A successful splashdown would bring closure to Starship’s tenth test flight, marking the fifth time a test flight in the program’s history did not end with vehicle loss.
It was also the first of four test flights this year that will end with Starship being recovered.
Splashdown confirmed! Congratulations to the entire SpaceX team on an exciting tenth flight test of Starship! pic.twitter.com/5sbSPBRJBP
— SpaceX (@SpaceX) August 27, 2025
SpaceX is expected to launch Starship again in approximately eight weeks, pending the collection of data and other key metrics from this flight.
News
WATCH: SpaceX attempts Starship’s tenth test flight after two delays
This evening, SpaceX has already stated that conditions appear to be approximately 45 percent favorable for launch. This is ten percent less than last night, when the mission was eventually scrapped around 7 p.m. local time.

SpaceX is set to launch Starship tonight, provided the weather cooperates and everything with the ship goes smoothly.
This is SpaceX’s third attempt to launch Starship for its tenth test flight, with Sunday’s and Monday’s attempts both being scrapped due to a leak and unfavorable weather conditions on the respective days.
This evening, SpaceX has already stated that conditions appear to be approximately 45 percent favorable for launch. This is ten percent less than last night, when the mission was eventually scrapped around 7 p.m. local time.
Propellant load of the upper stage and Super Heavy booster is already underway, and the launch is expected to occur at 6:30 p.m. in Starbase, Texas.
You can watch the tenth test flight of Starship below via SpaceX:
Watch Starship’s tenth flight test → https://t.co/UIwbeGoo2B https://t.co/BFrpQPQFUw
— SpaceX (@SpaceX) August 26, 2025
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