On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? David De RooSilver Spring, Maryland ...

In this video I try to see if I can achieve flight in my vacuum chamber at the pressure on the surface of Mars. I talk about ...

An atmospheric scientist explains why water can do some strange-looking things at very cold temperatures, and what’s ...

Are either of the moons of Mars large enough to eclipse the Sun as seen from the surface of Mars? Paul MancusoMilpitas, ...

Scientists have discovered traces of organic molecules on the Red Planet and are not ruling out the possibility that they were produced by living organisms.

A powerful volcano erupts under the dark night sky, sending bright molten lava and sparks into the air. The glowing lava ...

Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.

A collapsed lava tube detected in 30-year-old radar data from Venus may be part of a much wider network of underground caves.

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

NASA's Perseverance rover can now pinpoint its exact location on Mars without help from Earth, paving the way for longer, ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

NOAA is forecasting a G1-class geomagnetic storm on Monday, Feb. 23, through Tuesday, Feb. 24, with the aurora borealis ...