A monstrous sunspot region 15-Earths-wide is currently so large it can be seen without binoculars or telescopes. But you'll ...

After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on ...

The first false-color image from ESA's newly operational Biomass satellite shows off a unique perspective of the rainforests, grasslands and wetlands surrounding a winding river in Bolivia.

Traditionally, spacecraft communications to and from Earth use radio signals, which travel at the speed of light. That means ...

SpaceX plans to launch a batch of its Starlink commercial satellites from Vandenberg on Groundhog Day. Here's how to watch ...

NASA is providing a 24/7 live feed of the Space Launch System rocket on the launch pad at the Kennedy Space Center in Florida.

A powerful geomagnetic storm triggered by a fast coronal mass ejection from the Sun produced rare red aurora over Hanle, Ladakh, on January 1920, captured by the Indian Astronomical Observatory.

ESA's ERS-2 satellite has been captured by HEO Robotics cameras in space ahead of Earth re-entry. See an animation of the ERS-2 and the imagery here. Credit: Space.com | ESA / HEO Robotics | edited by ...