Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

A new study reveals that even a slight rise in global temperatures could make vast areas of the planet too hot for human ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our view starting in March. Look up!

Brought to life by the magnificent and richly detailed illustrations of Gavin Scott ... Find out why some of the largest ...

If you think the Australian summer sun feels harsher than a summer in the Northern Hemisphere, you're not wrong. But why that ...

The probability of humanity being the sole technological civilization in the observable universe is considered to be less ...

I hope you got a chance to see the moon nuzzled up to Venus on Feb. 1, and perhaps even checked out the pair through binoculars. Now, with the moon gone ...

ANDES stands for ArmazoNes high Dispersion Echelle Spectrograph. AndES is a high-resolution instrument that can search for ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien astronomers could also be scanning Earth.

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and (potentially) simple life residing in its water bodies. Now it’s dry and ...