Lightning long ago escaped the bounds of Earth’s atmosphere—scientists have already discovered lightning blazing through the skies of Jupiter, Saturn and Neptune. Now they think they’ve found it on ...

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

NASA's Curiosity rover just found bizarre nodules on giant Martian "spiderwebs." Scientists are puzzled.

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

While sifting through the extensive data collected by NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft over the last decade, scientists discovered a familiar type of electromagnetic ...

Learn about geologic formation on Mars that resemble spiderwebs, serving as records of ancient groundwater flow on the planet.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Images of the eight skylights opening up into possible karstic caves in Hebrus Valles on Mars. .

An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth somewhere near Purdue and is one of ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

A new study has provided compelling evidence that life from Mars could have arrived on Earth by hitching a ride on debris ...