In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

In a 2019 AP-NORC poll, about half of Americans said they’d take a chance to orbit the Earth, with 41% saying they’d travel ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? Theoretical ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

The Alaska Department of Natural Resources has tentatively decided that oil and gas exploration should be allowed on state land in the vicinity of the Yukon River. In a public notice published March 4 ...

(NewsNation) — Images of a pyramid-like shape on the surface of Mars are propelling theories that alien beings constructed the object, but one expert on the Red Planet has some disappointing news for ...

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Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

WASHINGTON — Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique hellscape - covered with a perpetual ocean of magma and enveloped by a ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...