Space News & Blog Articles

With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.

Both novas will eventually become too dim to see, even under the darkest skies. So catch them while you can!

The International Space Station and China's Tiangong Space Station will be visible for early risers. Here's how to make a dual sighting.

Astronomers have discovered the first evidence of a white dwarf wiped out by a double-detonation supernova, also providing space-lovers with stunning eye-candy.

Auroras may be visible from Alaska to New York as an incoming solar storm could spark geomagnetic storm conditions overnight.

SpaceX launched 27 Starlink satellites into low Earth orbit today (July 2), on the 500th Falcon 9 rocket launch in the company's history.

Our Red Planet explorers may encounter a peculiar threat.

Space.com sat down recently with retired NASA astronaut Terry Virts to talk about space, politics and his run in Texas for a seat in the U.S. Senate.

Some planets take the expression "you're your own worst enemy" to the extreme — triggering stellar flares from their own parent stars by being too clingy.

As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked up in rocks.

MethaneSAT, the first satellite made by an environmental nonprofit organization, was designed to monitor some of the world's largest industrial contributors of greenhouse gas emissions. Now, without power, the spacecraft's mission has abruptly ended.

"…are we potentially the last generation that will see the night's sky in its entirety?"

The rocky world will be visible for a brief window after sunset.

The space telescope spied three young stars in the nebula.

Cosmic archeologists have used the James Webb Space Telescope to excavate ancient disk galaxies that tell the story of how the Milky Way and other modern galaxies evolved.

A SpaceX Falcon 9 rocket launched the MTG-S1 weather satellite for EUMETSAT today (July 1), then came back down to Earth for a landing on a ship at sea.

The Australian company Gilmour Space is back at the launch pad with its Eris-1 rocket, preparing for the country's first orbital launch on July 2.

The phenomenon is created by the shifting play of light and shadow over the lunar surface.

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or long-distance transport in the early solar system."

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of physics.

The Mars rover captured images of low ridges called boxwork patterns, which appear like spiderwebs from space.