Astronomy

With Starliner Astronauts Stuck Indefinitely, The ISS Might Tie A 15-Year-Old Spaceflight Record

Astronomers Were Looking for a Planet, but They Didn't Expect This One

Evidence of Alien Life May Lie on the Surface of Europa and Enceladus, A New Study Reveals

Astronauts Say Food In Space Just Tastes Worse — But Why?

The Full ‘Buck’ Moon This Weekend Will Be Epic — Don’t Miss It

Astronomers Stumbled Upon a Planet In the Act of Becoming a Hot Jupiter

Scientists Just Found Evidence for Hidden Passageways Under the Moon’s Surface

Astronomers Believe A Star Is About To Explode 3000 Light Years From Earth — Here’s How to See It

Note To Hollywood: Nobody Faked The Moon Landing

Failed Thrusters, Helium Leaks, and a Hard Deadline: Inside NASA’s Decision to Keep Boeing’s Starliner At the ISS

There's a Black Hole Hidden in this Photo of a Digested Dwarf Galaxy

A Yearlong NASA Mars Simulation Revealed the Biggest Obstacle to Colonizing the Red Planet

Europe’s Ariane 6 Rocket Has A New Engine That Can Literally Reignite Itself In Space

This Scorchingly Hot Planet That Rains Down Glass Apparently Also Smells Like Rotten Eggs

Remnants of Mars’s Violent Past Are Hidden In this New ESA Express Orbiter Image

100 Years Ago, One Astronomer Massively Expanded Our Understanding Of the Universe

We Might Witness A Star Explode Soon — And It’s Not Betelgeuse

NASA Finally Revealed Who Will Help Intentionally Destroy The International Space Station

Almost 30 Years Ago, the Hubble Telescope Stumbled Upon this Enchanting Cosmic Object — Now We Have a 3D Video Of It

Mars Gets Slammed By Basketball-Sized Meteors Everyday, A New Study Finds

‘Accidental Astronomy:’ A New Book Explores Everything In Space We Found By Accident

The Webb Telescope Found Strange, Sparkling Balls That Might Have Helped Light Up the Universe

One of Humanity’s Greatest Architectural Feats Will Be Dismantled Soon — What Happens Next?

Lakes On Saturn’s Moon Titan May Be Sculpted By Waves of Literal Liquid Methane

June’s Summer Solstice Strawberry Moon Will Be Weirder Than Usual

An Astrophysicist Reveals A Hidden Problem We’ll Encounter If Humans Colonize the Moon

From Urine (Yes, Urine) to Helium: The Most Common and Bizarre Leaks During Space Travel

A Famous Star Trek World Is Actually A Fancy Galactic Illusion

NASA’s Curiosity Rover Captured The Eerie Aftermath of A Solar Eruption Blasting Mars

Elusive Fast Radio Bursts In Space Probably Come From the Most Ordinary Galaxies

A Radio Telescope Captured the Noise Humanity Leaks Into Space

In an Extremely Unlikely First, Scientists Found Frost On the Peak of Mars’ Volcano Olympus Mons

Boeing Starliner Helps ISS Process An “Awful Lot Of” Stored Urine

This Hot, Inflated Alien World is Good News for Future Earth

Suni Williams Just Became the First Woman To Test Fly An Orbital Spacecraft

NASA Made This Dramatic Decision To Fight For The Hubble Space Telescope’s Survival

The ESA’s Swarm Satellites Recorded “Something Peculiar” In The Northern Sky

Look! NASA’s Lucy Mission Stumbled Upon An Asteroid With Planet-Like Features

China's Chang'e-6 Successfully Landed on the Moon’s Elusive Dark Side — Here’s What Will Happen Next

This Dwarf Planet Is Basically a Sweet Red Snow Cone

New Data from JWST Reveals How Galaxies Grew In the Early Universe

This Solar Probe Just Helped To Trace The Origins Of Space Weather

An Astrobiologist Reveals Why She’s Optimistic We’ll Find Alien Life On Another Planet

Astronomers Finally Discovered Why WASP-107 b Is So Gassy, Bloated, and Distended

A New Experiment Tries To Clear Up Einstein’s Biggest Physics Headache

Is Boeing’s Starliner An Anomaly, Or Is Space Flight Just Really Hard?

Mind-Bending! Astronomers Capture Just How Fast A Supermassive Black Hole Spins

Physicists Just Discovered Something Radical About the Sun’s Magnetic Field

How To Spot A Fake Aurora Image

An Exoplanet's Huge Comet-like Tail Hides An Astronomical Secret