Watch 2 Russian cosmonauts spacewalk outside the International Space Station today
Russian cosmonauts Sergey Ryzhikov and Alexey Zubritskiy will conduct a spacewalk outside the ISS today (Oct. 16), and you can watch it live.
Skywatching
Why October is the perfect time to look for the Andromeda galaxy
October is an excellent time to observe the Andromeda spiral galaxy as it passes high overhead in the Autumn night sky.
MORE FROM SPACE...
Spaceflight
Rocket launch today: Is there a rocket launch and what time?
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
On this day in space! Oct. 15, 1997: Cassini-Huygens launches to Saturn
On Oct. 15, 1997, NASA launched the Cassini spacecraft on a mission to explore Saturn and its moons.
Getting even bigger: What's next for SpaceX's Starship after Flight 11 success
SpaceX launched its Starship megarocket for the 11th time on Monday (Oct. 13), on a successful test flight that marked the end of the road for "Version 2" of the vehicle.
Science & Astronomy
How scientists are using spinning dead stars to find ripples in the fabric of spacetime
Identifying the gravitational waves from black holes binaries could also make it clearer to detect primordial gravitational waves that date back to inflation at the moment of the Big Bang.
Asteroid discovered only 2 days ago will fly by Earth closer than the moon today
A small asteroid, called 2025 TP5, will safely fly by our planet Oct. 15 at about a quarter of the distance to the moon.
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Northern lights - live updates
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.
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Rocket launch today
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
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Night sky for tonight
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
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Live 4K video from space!
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.
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On this day in space!
NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.
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ReferenceWhat is the moon phase today?
See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.
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ReferenceSpace calendar 2025
Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.
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Search For Life
How excited should we be about the latest Mars potential biosignature discovery? 'It's arguably the best evidence we have so far'
What about those previously studied plumes of methane and meteorites potentially stuffed with the fossils of Martian microbes?
No near neighbors: Closest technologically advanced aliens may be 33,000 light-years from Earth
A new study suggests that, without plate tectonics and the right balance of carbon dioxide and oxygen, advanced alien civilizations may be exceedingly rare.
Could a Mars crater have once hosted life? NASA's Perseverance rover finds more evidence it's possible
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.
Technology
NASA's Lunar Electric Rover rolls across Arizona | Space photo of the day for Oct. 9, 2025
NASA's Lunar Electric Rover was tested in Arizona's rugged desert terrain to simulate lunar exploration and refine designs for future missions.
New private 'Arc' spacecraft aims to deliver cargo from orbit to anywhere on Earth in less than an hour (video)
"We see a future where thousands of Arc spacecraft form a logistics network that provides transformative reach, resilience, and deterrence for the United States and its allies."
