Andromeda Is Coming Closer. A Collision Is Not Certain.

Could Earth Have Left the Sun's Protective Bubble?

What Really Happened When We Nuked The Atmosphere?

A Star Erupted 28,000 Light-Years Away—and Its Flare Still Reached Earth

A Comet Hit Jupiter. We Watched What Happened Next.

The Sun Is Hiding Asteroids. Can We Find Them in Time?

Earth Has a Magnetic Shield. How Do Solar Particles Get In?

Cecilia Payne Discovered What Stars Are Made Of. Why the Doubt?

They Rejected His Crystal. Then He Won a Nobel Prize.

3I/ATLAS: Webb Found a Strange Chemical Fingerprint

NASA's Swift Is Falling to Earth. Where Will the Pieces Land?

Can a Black Hole Become a White Hole?

Could Planet 9 Be a Black Hole? The Evidence Explained

What's Inside a Neutron Star? Matter at the Breaking Point

Big Bang: What Really Happened in the First 3 Minutes?

A Supernova Left This Star Alive - The Pa 30 Mystery

Enceladus: Are We Finally Close to Finding Aliens?

What Was the Universe Like Before the First Stars?

The Star That Is Slowly Eating Its Companion

Solar Orbiter Flew Through a Fold in the Sun's Magnetic Field

A Black Hole's Ancient Echo Is Glowing Again - Here's Why

Einstein Doubted Black Holes. His Own Theory Predicted Them.

A Signal Traveled for Over 10 Billion Years. Webb Found Its Home.

Japan's Mars Mission Just Launched—What Is Phobos Hiding?

The Milky Way Ate Other Galaxies. Their Stars Are Still Here.

Rogue Planets: How Do You Find a World With No Sun?

How Big Is the Universe—and Why Can’t We See It All?

Ice at 5,000 Kelvin? The Strange Physics of Superionic Water

Time Runs Faster Just 1 Millimeter Higher — Scientists Measured It

The Moon Is Inside Earth's Atmosphere — Here's Why

These Dead Stars Are Freezing at Millions of Degrees

They Predicted a Supernova's Return. Then Hubble Saw It.

Is Betelgeuse Hiding Another Star? The New Evidence

Webb Found the Wreckage of Colliding Worlds

Will the Universe Go Dark—or Tear Everything Apart?

Can a Warp Drive Really Travel Faster Than Light?

Could a Wormhole Take You Back in Time?

The Great Filter: Could Alien Silence Be a Warning for Us?

Is Reality a Simulation? What Physics Can Actually Test

Did Hubble Really See a Planet Vanish?

This Star Exploded Twice. The Evidence Is Still Glowing.

Negative Time Was Measured. Does That Mean Time Ran Backward?

Gliese 710: A Star Is Coming Toward Our Solar System

On July 4, 2005, NASA Crashed Into a Comet. What Did It Reveal?

Did a Dying Star Change Earth's Atmosphere? The Evidence

Water Near a Black Hole? Webb Reveals the Chemistry of Survival

The Milky Way Is So Big, It Breaks Your Sense of Scale

A Star Vanished. Was a Black Hole Born?

A Black Hole Jet Pointed Toward Earth? Here’s the Evidence

What's Buried Under the Moon? A 4.2-Billion-Year Mystery

Something Is Hiding in the Dark: NASA's New Discovery

Bennu: Why the Aftermath Is More Dangerous Than the Blast

If Nothing Escapes a Black Hole... So What Is THIS?

Saturn Has a New Shape — And Scientists Can’t Explain It Yet

Stephen Hawking's Paradox: What Happens When Black Holes Die?

Webb Telescope Finds 'Impossible' Tiny Worlds in Deep Space!

CERN Is Testing the Mystery Behind Our Existence

Did Venus Eat Its Own Moon?

A Star With a Black Hole Inside? Webb’s Little Red Dot Mystery

250 Kilometers Wide. Two Rings. One Huge Mystery.