International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

NASA astronaut Chris Williams captured the spectacle from the International Space Station orbiting our planet. The post ...

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion-year-old visitor.

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

Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.

When the U.S. National Oceanic and Atmospheric Administration's (NOAA) weather satellite GOES-19 turns its gaze toward the sun, scientists don't expect to see our home planet. But there it was ...

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.

Light reflected from satellites pollutes the images taken by telescopes orbiting Earth, as well as those on the ground. Without mitigations, this will only get worse. Read the paper: Satellite ...