Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

Elon Musk reshared a video of Mars, sparking debate on its authenticity. Grok, the AI assistant, confirmed its legitimacy, ...

When Spirit dropped through the thin Martian air and bounced to a stop inside Gusev Crater, it did more than survive a ...

Mars has hosted a surprising number of robotic visitors, yet the question of where humans should touch down remains wide open ...

Astronomers have measured the mass and distance of a rogue planet using gravitational microlensing observed from Earth and ...

Physicist Ralf Schützhold proposes using powerful laser interferometers to exchange energy with gravitational waves, ...