Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

NASA’s MAVEN spacecraft has provided the first direct evidence of atmospheric sputtering on Mars, revealing how solar wind has eroded the planet's atmosphere over four billion years, turning a ...

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change.

A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.

The body conditions of polar bear (Ursus maritimus) populations around the Norwegian island of Svalbard have improved despite sea ice losses, according to new findings. The findings differ from ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

NATIONWIDE — NASA announced on Wednesday that its Perseverance Mars rover may have found signs of ancient microbial life on the red planet. During a teleconference on Wednesday morning, acting NASA ...

Advances in synthetic biology, planetary engineering, and ultra-low-cost launch systems have dramatically altered how ...