Fiction is there to drive us out of our heads, and science fiction even more so: it makes the wildest notions seem pressingly ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, ...

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see it.

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.

AEI fellow Dr. Roger Pielke offered recommendations for regulation and oversight of "weather modification activity" at a hearing Tuesday titled, “Playing God with the Weather — a Disastrous Forecast." ...

NASA Glenn is leading America's urgent push to beat China in establishing the first lunar power plant by 2030, with ...

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.