Outer Space
This Mirror-Like Exoplanet Is the Most Reflective Ever Discovered
The ultra-hot world is wreathed in metallic clouds that prevent the planet from evaporating and keep its atmosphere intact
See the James Webb Telescope's First Image of Saturn and Its Rings
The new shot also features three of the planet's many moons, including Enceladus, a strong candidate for hosting life
Seven Amazing Accomplishments the James Webb Telescope Achieved in Its First Year
The observatory has yielded jaw-dropping shots—and surprising facts—about our universe
What to Know About Euclid, Europe's Space Telescope Launched to Study the 'Dark Universe'
The telescope will image more than one billion galaxies and peer ten billion years into the past
Why Astronauts Have Weaker Immune Systems in Space
Gene activity in white blood cells decreased once astronauts got to space—and it didn’t rebound until they returned, a new study finds
Move Over, Freeze-Dried Fruitcake—Here's the Latest in Astronaut Food
Eight companies developing next-generation space meals have advanced to the final round of competition in a contest co-sponsored by NASA
How a Jungle Prison Became a Famous Spaceport
An anthropologist explains how the South American launch site for the James Webb Space Telescope evolved
Could You Decode a Message From Aliens?
An artist is challenging researchers and amateurs alike to practice parsing an extraterrestrial communication
Read the Poem NASA Will Send to Jupiter's Moon Europa
Alongside Ada Limón's words, you can add your name to the spacecraft that will search for life on the icy moon
You Can Now Buy Princess Leia's White Gown From 'Star Wars'
Carrie Fisher wore the garment while filming the final scene of "Star Wars Episode IV: A New Hope"
Sand Dune Features Hint at 'Recent' Water Flow on Mars
Between 1.4 million and 400,000 years ago, liquid salt water may have made cracks and crusts near the Martian equator, per data from China's Zhurong rover
Saturn's Rings May Be Younger Than Thought—and Disappearing
Data from NASA's Cassini mission points to the rings being no more than 400 million years old—quite young in the planet's 4.5-billion-year history
Did Lions Live in Ancient Greece? And More Questions From Our Readers
You’ve got questions. We’ve got experts
Astronomers Identify the Largest-Ever Cosmic Explosion
The burst is ten times brighter than any known exploding star and has lasted for more than three years
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
Possible Meteorite Crashes Into New Jersey Bedroom
The rock broke through the roof and ceiling of a home but did not cause any injuries
NASA's Snake-Like Robot Could Look for Life on an Icy Saturn Moon
Designed to weather the toughest of terrains, EELS might one day autonomously move through narrow vents on Enceladus
The Mission That Could Transform Our Understanding of Mars
A next-generation instrument on a delayed Martian rover may be the key to answering the question of life on the Red Planet
In a First, Scientists Witness a Dying Star Swallowing a Planet
Astronomers believe the doomed world was a gas giant about the size of Jupiter
'Star Trek' Fans Can Now Virtually Tour Every Starship Enterprise Bridge
An interactive web portal explores the vessel's evolution over nearly six decades
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