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Discover what Dobsonian telescopes are as we take you through their design and widespread popularity among astronomers.

It was NASA's first launch from a commercial facility outside the United States, and more are coming very soon.

A new image from NASA's HIRISE camera reveals strange 'polygons' cracking open the surface of Mars. It's just a typical sign of spring, scientists say.

‘Obi-Wan Kenobi’ is far, far away from being perfect, but the finale boasts some of Disney’s most compelling Star Wars yet.

SpaceX's massive Starship project was on the move last week, as its "Booster 7" Super Heavy rocket prototype moved to its South Texas test pad Thursday (June 23).

On June 28, 2015, a SpaceX Falcon 9 rocket exploded minutes after launching from Florida. See how it happened in our On This Day In Space video series.

Northop Grumman's robotic Cygnus freighter is scheduled to undock from the orbiting lab at 6:05 a.m. EDT (1005) Tuesday. Watch it live here at Space.com, courtesy of NASA.

NASA's tiny CAPSTONE spacecraft has begun its long, history-making journey to the moon.

A Cygnus spacecraft reboosted the International Space Station to its normal operating altitude on June 25, 2022.

Can we time travel like they do in the movies? The laws of physics might forbid it.

Landsat satellites have been pinpointing risks of extreme heat within cities.

An exoplanet hunter and first-light detector on the James Webb Space Telescope is ready to do science, six months after the observatory launched to space.

A new video shows the crater-riddled surface of the solar system's smallest planet Mercury as captured during a super close flyby of the BepiColombo spacecraft.

The full moon of July also called the "Buck Moon" or "Thunder Moon," will occur July 23 at 10:36 p.m. EDT (0236 GMT on July 24).

Alien rocky worlds cocooned in hydrogen and helium could prove habitable to life as we know it for billions of years, with key features such as temperate conditions and liquid water, a new study finds.

Everything you need to know about the James Webb Space Telescope, NASA's Big Bang-probing space observatory.

Neptune will enter retrograde on Tuesday (June 28) and will appear to 'reverse its course' as it moves across the sky. Here's how to see it.

Next time the Event Horizon Telescope turns to study the monster black hole at the center of the Milky Way, it will have help from the James Webb Space Telescope.

We should be intrigued, but not too excited (yet). Any interesting signal has to go through a lot of tests to check whether it truly carries the signature of extraterrestrial technology.

The Large Hadron Collider is the world's biggest particle accelerator. It's located at the European particle physics laboratory CERN, near Geneva, Switzerland.