Is low Earth orbit getting too crowded? New study rings an alarm bell
Hundreds of satellites may soon be flying in orbital regions that are already too packed to allow safe and long-term operations, a new study suggests.
Skywatching
Northern lights forecasts, alerts, and geomagnetic storm warnings - 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.
MORE FROM SPACE...
Spaceflight
On this day in space! Oct. 13, 1773: Charles Messier Discovers the 'Whirlpool Galaxy'
On Oct. 13, 1773, a French astronomer named Charles Messier discovered the "Whirlpool Galaxy," also known as Messier 51, or M51.
What time is SpaceX's Starship Flight 11 launch today?
SpaceX plans to launch the 11th test flight of its Starship megarocket at 7:15 p.m. EDT (2315 GMT) on Monday (Oct. 13). Here's how you can watch.
Watch SpaceX launch 24 of Amazon's Project Kuiper internet satellites on Monday after delay
SpaceX plans to launch 24 of Amazon's Project Kuiper satellites Monday (Oct. 13), bringing the total number of spacecraft lofted for the nascent broadband megaconstellation to 153.
Science & Astronomy
Is the universe infinite, or does it have a limit?
If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe, and where is its center?
Rubin Observatory spins beneath the stars | Space photo of the day for Oct. 13, 2025
The Vera C. Rubin Observatory's Simonyi Survey Telescope scans the heavens to start its decade-long exploration in the search for dark matter.
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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."
