A rare interstellar comet — only the third ever confirmed to enter our solar system — was photographed last week, closely approaching Mars, the European Space Agency said Tuesday. The images taken on ...

Interstellar comet 3I/ATLAS completes its near-miss with Earth, revealing bizarre chemistry and highlighting the growing ...

Compelling signs of past Martian life and potential biosignatures on exoplanets have emerged. New planets near Earth were ...

The Mars Atmosphere and Volatile EvolutioN mission, better known as MAVEN, has slipped into an unnerving silence just as it ...

CAPE CANAVERAL, Fla. (AP) — A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will ...

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

The fleet of NASA’s science assets orbiting and exploring Mars are in for an astronomical treat, because on Sunday, October 19, a comet will hurtle right by the Red Planet. Comet C/2013 A1, also known ...