See the delicate crescent moon dance with the 'Seven Sisters' of the Pleiades tonight
The Pleiades is a 1,000-strong open star cluster in the constellation Taurus.
Skywatching
Northern lights may be visible in 18 states tonight and over the weekend
Auroras may be visible from Alaska to Illinois tonight and over the weekend as several coronal mass ejections and fast solar wind impact Earth.
MORE FROM SPACE...
Spaceflight
On this day in space: March 21, 1965: NASA launches Ranger 9 to the moon
On March 21, 1965, NASA launched the Ranger 9 spacecraft on a mission to crash into a lunar crater.
US Space Force moves GPS launch to SpaceX Falcon 9 due to Vulcan rocket glitch
The U.S. Space Force has swapped rockets for an upcoming GPS satellite launch, moving to a SpaceX Falcon 9 while the investigation into an anomaly with ULA's Vulcan Centaur continues.
Rocket Lab scores $190 million launch deal to test hypersonic tech for US military
Rocket Lab has inked a $190 million contract with the U.S. Department of Defense for 20 launches of the company's suborbital HASTE rocket.
Science & Astronomy
What is the moon phase today? Lunar phases 2026
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.
The loneliest places in the universe might actually be some of the best places for life
Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.
Space Photo of the Day
Artemis 2 moon rocket rolls back to launch pad | Space photo of the day for March 20, 2026
NASA's Space Launch System rocket was back on the move overnight ahead of its second mission to the moon, which will be the first time the vehicle carries a crew.
Entertainment
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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
Where are all the aliens? Maybe they just don't want to talk to us
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.
Technology
You can stream the two 'missing' Doctor Who episodes when travelling, save 73% and claim a free $50 voucher when you sign up for two years of NordVPN
Deals Two "missing" episodes of Doctor Who are coming to BBC iPlayer in the U.K., so if you have an account, you can stream them, save 73% and claim a voucher with NordVPN.
