On this day in space! Oct. 4, 1957: The Soviet Union launches Sputnik 1, the 1st artificial satellite, into orbit to kick off a Space Race and the Space Age
Skywatching
8 things you need to know before booking the 2027 'eclipse of the century'
The total solar eclipse on Aug. 2, 2027 will be a huge international tourism event. But where you book — and exactly where you plan to watch from — could make a huge difference.
Why I recommend the ZWO Seestar S50 Pro smart telescope for your backyard — full review
With a 4K sensor, EQ mode and post-processing opportunities galore, the ZWO Seestar S50 Pro is ZWO's most capable telescope yet, but it’s also ideal for anyone who wants astrophotography without the hassle.
Spaceflight
On this day in space! Oct. 2, 2015: The United Launch Alliance launches its 100th rocket with Atlas V flight for Mexico
On Oct. 2, 2015, the United Launch Alliance launched its 100th rocket! Here's why one company's rocket milestone mattered.
3 for 3! Falcon Heavy rocket launches secret US spy mission to complete SpaceX tripleheader (video)
A Falcon Heavy rocket launched a reconnaissance mission for the U.S. government on Thursday night (Oct. 1), the third liftoff for SpaceX in less than 13 hours.
Record breaker! SpaceX Crew-13 astronauts dock at ISS less than 8 hours after launch in fastest American flight ever (video)
The astronauts of SpaceX's Crew-13 mission reached the International Space Station today (Oct. 1) less than eight hours after launch, setting a new speed record for a U.S. spacecraft.
Science & Astronomy
Scientists connect cosmic fingerprints of the universe's first stars with MEGATRON simulation
MEGATRON is a good guy!?! Well, at least to cosmologists who are using this simulation to transform our understanding of the universe's first stars.
Dead star orbiting a neutron star 'cosmic lighthouse' is at a rarely seen stage of its afterlife
Astronomers have caught a white dwarf in a rare stage of its evolution as it orbits a "cosmic lighthouse" in the form of a rapidly spinning neutron star pulsar.
Space Photo of the Day
Earth's hidden daytime auroras revealed from space | Space photo of the day for Oct. 2, 2026
This remarkable view of Earth shows the northern lights encircling Earth.
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Northern lights - live updatesThe 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 todayFollow 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 tonightFind 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 2025Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.
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Search For Life
Ocean chemistry on ancient Earth could help scientists search for life on alien worlds
A new look at ancient rocks suggests that a self-sustaining nutrient cycle in ancient oceans helped keep Earth's atmosphere rich in oxygen for millions of years.
Technology
'Without a single command from the ground': Asteroid-mining company to launch world's 1st autonomous space mission in 2027
AstroForge plans to launch the first-ever totally autonomous space mission in 2027, potentially paving the way for a new era of exploration.
Our expert gave these powerful, budget-friendly binoculars five stars and now they're over $100 off
Deals Looking for quality binoculars but don't want to spend a fortune? Our expert gave Nikon's M7 range our maximum rating and now the 10x42 model is the cheapest it's been in a long time.
The battlefield now extends all the way to the moon, U.S. military's highest-ranking officer says
The battlefield that the U.S. military must prepare for and excel in now extends from the seafloor all the way out to the moon, according to Gen. Dan Caine, chairman of the Joint Chiefs of Staff.