Space News & Blog Articles

What is nuclear electric propulsion and how is it different from radioisotope thermoelectric generators?

Winter's gone, but the Winter Triangle remains (for now). Trace out this gigantic asterism right after dark before it sinks. Jupiter glares inside its top.

Image: Hubble image of barred spiral galaxy IC 486

Image: Western Australia’s Kimberley region is featured in this double view from the Copernicus Sentinel-2 mission.

With up to $513 off, a $50 Amazon voucher and four months free, you can watch the UNIT defend humanity against the Sea Devils from anywhere at a bargain price.

The unprecedented observations of comet 41P/Tuttle–Giacobini–Kresák show its rotation slowing, reversing and then speeding up, and jet-like outbursts of gas might be providing the push.

The powerful magnetic field belonging to the sun is generated far beneath the visible surface.

“We're thrilled to have the opportunity to finish the story the way we’ve always hoped”

The moon will sweep past the 1,000-strong stellar beehive overnight on March 27-28.

The Starlink 17-17 mission lifts off from Vandenberg Space Force Base in California on March 26, 2026. Image: SpaceX.
SpaceX launched another batch of satellites for its Starlink internet service Thursday.

Thursday, March 26, 2026: See our latest news and updates on NASA's Artemis 2 moon mission's progress to launch on April 1.

NASA released a new image of its next-generation Nancy Grace Roman Space Telescope undertaking testing to simulate vibrations experienced during launch.

Observations from the James Webb and Hubble space telescopes reveal Saturn's atmosphere and rings in the most detailed view created to date.

From Greek mythology to modern spaceflight, Artemis and her twin brother Apollo connect humanity's first lunar missions to the next era of exploration with Artemis 2 and beyond.

A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life.

Want to show your solidarity with the crew of the Artemis 2? Launch your own mini-mission with this anti-Amazon deal, saving 17% on this Estes 2411 hobby rocket.

Lightning on Jupiter may pack more than 100 times the power of Earth's bolts, and may prove one million times stronger, a new study finds.

Get to know NASA's Artemis 2 moon mission with Space.com's exclusive four-part video series Inside Artemis II debuting March 25-March 31.

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.