A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

NASA’s InSight lander listened to Marsquakes for four years. The tremors revealed that Mars may have a solid inner core.

For decades, scientists have puzzled over the deep interior of Mars. Did it resemble Earth, with a solid center wrapped in a ...

A simple core of pure iron and nickel couldn’t account for the observed properties. The Martian core must be rich in “light ...

Beneath the surface of Mars lie an array of mysterious "blobs" that might hold clues about the earliest days of our solar system.

NASA scientists have uncovered an unexpected presence inside Mars, a solid mass around 373 miles in size. This finding has ...

Scientists have discovered that Mars has an interior structure similar to Earth's. Results from NASA's InSight mission ...

The scientists based their findings on seismic readings from NASA's InSight lander on Mars, which recorded more than 1,300 ...

Using data from NASA’s retired InSight lander, two separate teams of researchers found evidence of a sluggish Martian mantle ...

NASA and ESA instruments Hubble, SPHEREx, JWST, and TESS have all captured the object as it makes its way towards the Sun.

The lumps frozen in Mars' mantle may have been there for billions of years. Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated. The mysterious lumps have ...