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NASA astronaut Anil Menon and the European Space Agency's Sophie Adenot will conduct a spacewalk today (Aug. 25) at 8:35 a.m. EDT (1235 GMT) to replace a space-to-ground antenna on the International Space Station. Watch it live here and read our preview story.
Jupiter's gravity could trigger an outburst of Perseid meteors as the 2028 shower hits its peak.
Deals Want great views of this week's partial lunar eclipse or a closer look at Saturn as it reaches opposition in October? This Celestron PowerSeeker 80EQ, nearly 50% off at Walmart, is just what you need.
NASA astronaut Anil Menon and France's Sophie Adenot will conduct a spacewalk today (Aug. 25) to replace a space-to-ground-antenna on the International Space Station. Here's how to watch live.
On Aug. 23, 1961, NASA launched the Ranger 1 robotic spacecraft on a precursor mission to test new technologies for later moon missions.
China has delayed its ambitious ice-hunting Chang'e 7 mission to the moon's south pole due to a brewing storm near the launch site. A new target date has not been announced.
Twenty years after Pluto became a dwarf planet, people are still fighting over its status. Experts explain why the debate feels so personal.
A fractured "ice tongue" is visible in the imagery.
A fractured "ice tongue" is visible in the imagery.
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.
The Pentagon's recent spate of UFO releases represent a big shift and are of great benefit to the country, according to disclosure advocate Mike Gold.
On Aug. 15, 1977, astronomers using Ohio State University's Big Ear radio telescope detected the famous "Wow!" signal, which remains unexplained to this day.
Astronomers may have already scanned millions of more stars than they thought, a realization that might lead to new ways to hunt for extraterrestrial radio signals.
NASA has chosen 18 technology proposals for its Innovative Advanced Concepts awards to help turn some out-of-the-box ideas into out-of-this-world research.
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