UPDATE for 11 am ET: NASA's Perseverance rover has discovered sediment formations that could be signs of possible biosignatures on Mars, but they could also have a non-biological source. Read our ...

Mars and the star Regulus are set to put on a dazzling show tonight as the Red Planet passes remarkably close to Leo’s brightest star in a striking celestial pairing — and you can watch it live online ...

During that time, it has created the most comprehensive map of the Martian atmosphere and its chemical composition, examined ...

Millions of viewers tuned in to watch the historic landing of NASA’s Curiosity Rover on Mars, and while they’ve been keeping us fairly satisfied with a few, grainy, low-res images from the 2-ton rover ...

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images ...

When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a better candidate for human ...

Astronauts train to scale a Mars volcano at an analogue site in France. Lava tubes that crisscross the Martian surface might provide sanctuaries for the first human explorers on the Red Planet. (Photo ...

The Curiosity Mars rover covers a lot of ground for a robot that only moves at a max speed of .1 mph. A photo snapped recently by NASA’s Mars Reconnaissance Orbiter provides a pretty cool ...