Scientists of the Swedish Institute of Space Physics (IRF) in Kiruna and Umeå University find that under certain conditions ...

An incredible photo shows Earth photobombing Mars' moon Phobos. It is the first time ever the two have been captured together ...

Dubbed "araneiform terrain," the Mars surface formations span over a half-mile long and have hundreds of branches that ...

Scientists at NASA's Jet Propulsion Laboratory have recreated spider-like araneiform terrain, a geologic formation found on ...

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos ...

"It's the first time an image of the two celestial bodies have been captured together from the surface of Mars." ...

"Primordial black holes do not live in the solar system. Rather, they're streaming through the universe, doing their own thing," said researcher Sarah Geller.

An enormous plume of magma is slowly but steadily rising underneath Mars and could one day provoke an eruption of the solar system's tallest volcano. An enormous plume of magma over a thousand miles ...

In other words, these hidden features could be the remnants of long-extinct volcanoes or the scars left by massive space ...

Researchers have recreated the bizarre spider-like features seen on the surface of Mars for the first time ever. The ...

A new analysis of Mars' gravitational field has revealed hidden structures buried beneath the remains of an ancient ocean.

Space probes have captured images of intriguing spider-like formations on Mars. NASA has put forth a theory on what created ...