Twice a year, the setting sun perfectly aligns with Manhattan's street grid, creating one of New York City's most spectacular skywatching events.
The Giotto space probe, launched in 1985 on an Ariane 1 V14 launcher, brushed past the hidden nucleus of Halley's comet in 1986.
Following their return to Earth from a 10-day journey around the moon and back in April, NASA's Artemis II astronauts headed to Capitol Hill.
A new rover prototype is teaching NASA scientists how to design robots that can think for themselves and navigate terrain that would leave old rovers stuck in the lunar or Martian dust.
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.
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.
Following their return to Earth from a 10-day journey around the moon and back in April, NASA's Artemis II astronauts headed to Capitol Hill.
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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