Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is known about the planet closest to the sun.

This Mars rock is up for auction at Sotheby's in New York City this week, which is why it's currently on display in the Upper ...

Blake Lively Wins Ruling That Her Deposition in Justin Baldoni Case Will Be Held on Her Turf 'I didn't want this to die': The ...

There's a broad consensus in the scientific community that a follow-up mission to Pluto should be an orbiter, and not a ...

Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures ...

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% ...

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

The new test proved the capability of a new propellant that will enhance the rocket's performance, making a sample return mission from Mars increasingly viable.