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

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

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

Billions of years ago, Mars likely had liquid water, rivers, and a thicker atmosphere. But when its internal magnetic field collapsed, the planet lost its shield against the solar wind, allowing ...

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

For about six months, NASA's Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...

Summary: SpaceX appears to be prioritizing the Moon over Mars as its first major off-world industrial base. The shift ...

Last night’s BAFTAs saw many a glowing face on the red carpet. CHANEL reveals the secrets behind some of the night’s best looks.

NASA astronaut Christina Koch and Canadian Space Agency astronaut Jeremy Hansen take off on a T-38 training flight from ...

Lava Beds National Monument in Tulelake, California, is home to over 800 lava tube caves that’ll make you feel like you’ve accidentally stumbled onto the set of a science fiction movie, except ...

Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It’s what’s known as ...

The moon and Pleiades will glow together on Feb. 23 in a striking skywatching display.