Astronomy & The Universe

New discoveries, cosmic mysteries, violent physics, and the ever-expanding map of the universe.

Why is Jezero Crater's bedrock standing nearly vertical? NASA's rover found evidence of two planet-altering asteroid strikes.

Why Is Jezero Crater's Bedrock Standing Nearly Vertical? NASA's Rover Found Evidence of Two Planet-altering Asteroid Strikes.

Brenna Vance 4 min
Where are Omega Centauri's missing black holes? Hubble found one by watching a star dance.

Where Are Omega Centauri's Missing Black Holes? Hubble Found One by Watching a Star Dance.

Brenna Vance 7 min
The Discovery That's Quietly Unraveling Planet Nine's Best Defense

The Discovery That's Quietly Unraveling Planet Nine's Best Defense

Brenna Vance 10 min
The Universe's First Stars Were 10,000 Times the Size of the Sun. We Just Found the Ash.

The Universe's First Stars Were 10,000 Times the Size of the Sun. We Just Found the Ash.

Mira Solen 9 min
A Star in Andromeda Just Vanished Without Exploding. Scientists Caught It Happening.

A Star in Andromeda Just Vanished Without Exploding. Scientists Caught It Happening.

Elias Voss 9 min
The Eddington Limit: What it is, and How It Just Failed

The Eddington Limit: What It Is, and How It Just Failed

Brenna Vance 8 min
What 15 terabytes per night can reveal about the universe's deepest secrets

What 15 Terabytes Per Night Can Reveal About the Universe's Deepest Secrets

Rowan Ellery 5 min
Why the universe's expansion rate refuses to match its oldest light

Why the Universe's Expansion Rate Refuses to Match Its Oldest Light

Rowan Ellery 6 min
A satellite's camera caught what its sensors missed during the solar storm

A Satellite's Camera Caught What Its Sensors Missed During the Solar Storm

Rowan Ellery 4 min
Why star clusters near the Sun are dissolving much slower than physics allows

Why Star Clusters Near the Sun Are Dissolving Much Slower Than Physics Allows

Rowan Ellery 7 min
Webb Traced a Gamma-Ray Burst Back 13.2 Billion Years—and Found Something Unexpected

Webb Traced a Gamma-Ray Burst Back 13.2 Billion Years—And Found Something Unexpected

Rowan Ellery 5 min
How Webb Captured Stars at Every Age in a Single Season

How Webb Captured Stars at Every Age in a Single Season

Rowan Ellery 6 min
A cosmic radio gun fires 11,000 times—and it shouldn't exist

A Cosmic Radio Gun Fires 11,000 Times—And It Shouldn't Exist

Rowan Ellery 6 min
The Gamma-Ray Burst That Fired for 7 Hours Doesn't Fit Any Known Physics

The Gamma-Ray Burst That Fired for 7 Hours Doesn't Fit Any Known Physics

Elias Voss 10 min
JWST Found Objects So Red and So Strange That Astronomers Invented a New Category for Them

JWST Found Objects so Red and so Strange That Astronomers Invented a New Category for Them

Rowan Ellery 10 min
ESA Built a Machine That Creates Solar Eclipses On Demand

ESA Built a Machine That Creates Solar Eclipses on Demand

Elias Voss 9 min
An Interstellar Comet Crossed Our Solar System. We Had 12 Spacecraft Ready.

An Interstellar Comet Crossed Our Solar System. We Had 12 Spacecraft Ready.

Elias Voss 10 min
The Butterfly Nebula Is Not a Death. It's a Crime Scene.

The Butterfly Nebula Is Not a Death. It's a Crime Scene.

Mira Solen 11 min
Dead Stars Seeded Your Bones — Here's the Exact Chain of Events

Dead Stars Seeded Your Bones — Here's the Exact Chain of Events

Mira Solen 10 min
3I/ATLAS Came From Another Star. Its Chemistry Doesn't Match Anything We Know.

3I/ATLAS Came From Another Star. Its Chemistry Doesn't Match Anything We Know.

Rowan Ellery 9 min
Dark Energy Is Not a Constant. Three Years of Data Say So.

Dark Energy Is Not a Constant. Three Years of Data Say So.

Brenna Vance 10 min
The 700-Meter Asteroid That Hid Inside Venus's Orbit for Who Knows How Long

The 700-Meter Asteroid That Hid Inside Venus's Orbit for Who Knows How Long

Rowan Ellery 10 min
JWST Found a Planet That Shouldn't Exist — Orbiting a Dead Star, Raining Diamonds

JWST Found a Planet That Shouldn't Exist — Orbiting a Dead Star, Raining Diamonds

Elias Voss 10 min
Dark Energy Just Survived Its Biggest Challenge Yet. That Should Worry Us More.

Dark Energy Just Survived Its Biggest Challenge yet. That Should Worry Us More.

Brenna Vance 12 min