Comet 3I/ATLAS was first detected on July 1, 2025 by the Asteroid Terrestrial-Impact Last Alert System (ATLAS). As it approached the Sun, it displayed a subtle non-gravitational acceleration, ...

NASA's 2024 image shows the defunct InSight lander on Mars, slowly being covered by dust two years after its last ...

Mars keeps its secrets well, but it just gave up a big one. A new study reports the first seismic evidence that the planet has a solid inner core, a part of Mars many scientists long suspected was ...

In 2018, NASA landed the first seismograph on the red planet. The InSight lander (short for Seismic Investigations, Geodesy and Heat Transport) was retired in 2022, but while it was active, measured ...

Mars may have a hardened heart. Marsquake reverberations detected by NASA’s InSight lander revealed that the Red Planet probably possesses a solid inner core, researchers report in the Sept. 4 Nature.

Rachel Feltman: Happy Monday, listeners! For Scientific American’s Science Quickly, I’m Rachel Feltman. Let’s kick off the week with a quick roundup of some of the latest news. First, let’s talk about ...

Teams working with the seismometers on NASA's InSight Mars lander first identified the Martian core and determined that it was actually still liquid. Now, the new results from Huixing Bi, at the ...

The Chinese-led research team based its findings on seismic readings from NASA's InSight lander on Mars, which recorded more than 1,300 marsquakes before shutting down in 2022. The spacecraft landed ...