
A tiny world at the edge of our solar system grew a mysterious atmosphere, and we don't know how
A trans-Neptunian object was found to possess a surprising thin atmosphere after astronomers witnessed the object occult a distant star.

By Daisy Dobrijevic last updated
Watch Eta Aquarid meteors streak across the sky live from observatories and sky cams around the world.

By Robert Lea last updated
Reference As the Artemis program aims to return humanity to the moon and beyond, the Artemis Accords lay out a framework for nations collaborating in this effort.
By Daisy Dobrijevic last updated
Reference Starlink satellites are visible from Earth, you just need to know when and where to look.

By Tereza Pultarova last updated
Reference Starlink satellites have been developed by SpaceX to provide internet to remote locations. Here we explore the controversial megaconstellation in more detail.

By Elizabeth Howell published
In conversation with Space.com, the new Planetary Society CEO talked about the fight to restore NASA's funding again 2027.

By Mike Wall published
NASA astronaut Chris Williams photographed a fireball from above recently, capturing the stunning site from aboard the International Space Station.

By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.

By Brett Tingley published
Looking like a scene out of "Star Wars," this image shows the ESO's Very Large Telescope Interferometer (VLTI) beaming four separate lasers into the sky towards the Tarantula Nebula.

By Brett Tingley published
Looking like a scene out of "Star Wars," this image shows the ESO's Very Large Telescope Interferometer (VLTI) beaming four separate lasers into the sky towards the Tarantula Nebula.

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Witness live views of Earth from the International Space Station as it orbits the planet. Space streaming company Sen is broadcasting 24/7 from the ISS in beautiful 4K HD.

NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.

See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.

By Leonard David published
Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent goings-on, betraying our existence and hinting at our capabilities.

By Leonard David published
How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a variety of opinions about a possible real-life "disclosure day."

By Leonard David published
A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological self-destruction — and it therefore may not want to talk to us.

By Chelsea Gohd published
Scientists have developed a new material that could shield humans and critical technology from harmful radiation.
Please login or signup to comment
Please wait...