Twice a year, the setting sun perfectly aligns with Manhattan's street grid, creating one of New York City's most spectacular skywatching events.
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 ever set foot on Titan, or will AI-powered humanoid robots make the voyage instead?
A U.S. Space Force mission pitting two satellites against each other has completed the organization's first tactical intercept of an orbital target.
Astronomers have detected radio signals coming from a long-dead neutron star known as the 'Blue Eye Pulsar' after searching for decades.
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.
Infant stars celebrate their independence with cosmic fireworks in a stunning new image from the James Webb Space Telescope.
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.
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
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.
NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.
See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.
Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.
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.
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.
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