Sun
James Webb Telescope Reveals Asteroid Belts Around Nearby Young Star
The findings suggest the star Fomalhaut may have orbiting planets hidden among its rings of debris
Cleveland Is Giving Away a Free Trip to See the 2024 Solar Eclipse
The city is within the 125-mile-wide path of totality and will experience a total eclipse for nearly four minutes on April 8, 2024
Widespread Auroras That Lit Skies This Week Are Getting More Common
The stunning colors that dazzled viewers on Sunday will appear again as the sun's activity builds to a peak in 2025
How to Watch the Rare Hybrid Solar Eclipse From Your Home
This spectacle in the South Pacific will be visible in online livestreams on Wednesday. It is the last hybrid solar eclipse until 2031
How to Watch the Spectacular Lyrid Meteor Shower
One of the oldest recorded annual showers, the Lyrids will peak on April 22
Everything You Need to Know About the 2024 Total Solar Eclipse
A veteran eclipse chaser explains how to get ready for one of the planet’s biggest celestial events
See the James Webb Telescope's Rare New Image of a Dying Star
The star is on the cusp of exploding in a supernova and may offer insights into the universe's so-called "dust budget crisis"
Launching Dust From the Moon Could Help Cool Earth, Scientists Say
Proposals to fight climate change by blocking sunlight aren’t new, but some experts argue the answer lies closer to home
An Asteroid Just Passed Very Close to Earth
The truck-sized space rock came within 2,200 miles of our planet, closer than some satellites
A Ring of Fire, Millions of Monarchs and Other Rare Natural Phenomena Worth Traveling For
Be in the right place at the right time to witness these sublime sights
James Webb Telescope Confirms the Existence of Its First Exoplanet
The high-tech observatory is helping to study the rocky, Earth-sized world that's 41 light-years away
James Webb Captures a Protostar in a Fiery Hourglass
The very young star is a window into our own solar system's past
NASA’s 'Smiling Sun' Image Is a Reminder of the Threat of Solar Wind
Coronal holes on the sun can release jets of charged particles that may interfere with Earth's atmosphere
Three Near-Earth Asteroids Were Hiding in the Sun’s Glare
One of them, which measures nearly one mile wide, might cross paths with Earth in the distant future
Puffy, Marshmallow-Like Planet Could Float in a Bathtub
Scientists found the new exoplanet located in the Auriga constellation 580 light-years away
The World’s Whitest Paint May Soon Help Cool Airplanes and Spacecraft
The ultra-white color reflects up to 97.9 percent of sunlight and may reduce our reliance on air conditioning
What Do Stonehenge and Japanese Stone Circles Have in Common?
A new exhibition explores the surprising parallels between British and Japanese traditions
Why Can We See the Moon During the Day? And More Questions From Our Readers
You've got questions. We've got experts.
NASA’s New Solar Sail Could Soon Navigate in Space
Scientists say the flashy tech could help them study the sun’s polar regions
Scientists Now Know Why Sunscreen Harms Corals
A new study shows that, when exposed to sunlight, anemones turn a chemical found in sunscreen into a toxin
