On this day in space! July 6, 1938: Discovery of Jupiter's moon Lysithea
The Giotto space probe, launched in 1985 on an Ariane 1 V14 launcher, brushed past the hidden nucleus of Halley's comet in 1986.
Skywatching
The second Manhattanhenge of 2026 occurs this week: When and where to see the sunset spectacle
Twice a year, the setting sun perfectly aligns with Manhattan's street grid, creating one of New York City's most spectacular skywatching events.
Spaceflight
America 250: From 1776 to the moon and beyond (A Space.com series)
As the United States celebrates its 250th birthday, our Space.com team took a look back at American advances in space since 1776, and where we might be headed.
Could humans someday explore Saturn's moon Titan, or will humanoid robots do it for us?
Could humans ever set foot on Titan, or will AI-powered humanoid robots make the voyage instead?
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1 private spacecraft intercepts another on Space Force's groundbreaking 'Victus Haze' mission
A U.S. Space Force mission pitting two satellites against each other has completed the organization's first tactical intercept of an orbital target.
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.
Human flight was still 7 years away in 1776. Now, we're headed back to the moon
Humanity made some halting steps toward flight over the centuries, but our species was still firmly rooted on the ground when the United States of America was born on July 4, 1776.
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Space Photo of the Day
Infant stars celebrate their independence with cosmic fireworks| Space photo of the day for July 3, 2026
Infant stars celebrate their independence with cosmic fireworks in a stunning new image from the James Webb Space Telescope.
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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
Searching for alien life: New model could help scientists home in on habitable exoplanets
A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth.
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Technology
America 250: How has telescope technology evolved since the dawn of the U.S.?
Optical telescopes have come a long way in the past two-and-a-half centuries — from the homemade telescope of William Herschel to the orbiting Hubble Space Telescope.
