Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

Imagine the sky turns dark, in stark daylight, where the Moon’s shadow steals the Sun right at midday, wrapping the world in ...

NASA's IMAP mission has entered into a halo orbit around the first Lagrange Point in the Sun-Earth System. The spacecraft ...

The night sky could soon lose some of its natural darkness if a controversial space project moves forward. Reflect Orbital, a ...

A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.

NASA outlines a full 2026 astronomy calendar featuring eclipses, planetary alignments, meteor showers, supermoons, and seasonal milestones visible from different parts of Earth.

According to Einstein's theory of relativity and a new NIST study, time on Mars passes faster than on Earth. Discover the ...

The James Webb Space Telescope captured a colorful portrait of a nearby stellar cradle, revealing a wealth of insights about ...

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...