
Is our dream of finding ocean-covered exoplanets drying up?
New simulations suggest sub-Neptune planets may be drier than thought, challenging the "water world" hypothesis and reshaping the search for life beyond Earth.
By Daisy Dobrijevic last updated
Reference Discover what a new moon is and when the next new moon will occur with our new moon 2025 guide.
By Mike Wall last updated
NASA will announce its new astronaut class on Monday (Sept. 22) and discuss its upcoming Artemis 2 moon mission on Tuesday and Wednesday (Sept. 23 and Sept. 24). Here's how to watch the events live.
By Brett Tingley published
In a first-of-its kind operation, the United States repositioned one of its spacecraft to inspect an ally's satellite.
By Josh Dinner published
Space company Rocket Lab wants to bring NASA's Perseverance rover samples back from Mars.
By Hanneke Weitering last updated
On Sept. 22, 2006,the Japanese Aerospace Exploration Agency launched a sun-observing satellite called Hinode, or Solar-B.
By Kenna Hughes-Castleberry published
NASA's Artemis 2 mission will launch toward to the moon in 2026. To help prepare, its four astronauts practiced observing Earth's nearest neighbor in a mockup Orion capsule.
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 2025.
By Jesse Emspak published
September's new moon occurs on Sept. 21 and will partially eclipse the sun for skywatchers in the southern Pacific Ocean and Antarctica.
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 Sharmila Kuthunur published
Fresh analysis of Perseverance rover data reveals Jezero Crater experienced repeated episodes of water activity, strengthening the case for habitability and raising the stakes for Mars Sample Return.
By Sharmila Kuthunur published
"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious in making that assumption just because of the composition of the plumes."
By Brett Tingley published
A U.S. House of Representatives task force will once again hold a hearing on Sept. 9 to hear from witnesses who claim the U.S. government is hiding evidence of UFOs.
By Kim Snaith published
An ambient star projector that you can use outside? It sounds like a good idea, but in practice, it's severely lacking.
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