Space
Come along with us as we explore outer space, including everything from NASA to astronomy to aliens.
Watch: stars orbit the supermassive black hole in the center of our galaxy.
In a first, scientists say they can predict stars colliding. And we all can watch.
We’ve dammed mighty rivers, built hundreds of artificial islands, and made the world’s fourth-largest lake disappear.
The comet won’t be returning to Earth for thousands of years.
With one observation, Hubble doubled the size of the known universe.
True scientific breakthroughs are extremely rare. We had one in 2016.
Watch asteroid dust light up the sky.
Glenn was the first American to orbit the Earth. He returned in awe of the beauty of spaceflight.
Why scientists suspect there’s an underground ocean on the dwarf planet.
The moon is going to be bigger and brighter than usual on Monday.
This animation zooms 1,350 light-years into the Orion Nebula, a cradle of star formation
Astronomers discover there are 10 times more galaxies than previously thought
Follow our ongoing coverage of the latest chapter in the Avengers saga.
Most things on Earth look peaceful from space. Not this.
This is ... really something.
The Hubble Deep Field, explained by the man who made it happen.
The Europeans shot a billion-pixel camera called Gaia into space. This is what it saw.
This is the first image of the gas giant’s north pole.
Live-stream the annular solar eclipse right here.
Why scientists are so excited about the latest exoplanet discovery.
Go outside after midnight. Sit back. Stare in awesome wonder.
The sky show peaks July 28 and 29.
Want to feel incredibly small? Take a look at this.
This is just the beginning of a lot of groundbreaking science.
The gas giant is still a mystery. That’s why NASA is so excited it got a satellite into the planet’s orbit.
The LIGO gravitational wave detector spotted a second pair of orbiting black holes.
This is the music of the cosmos.
Four reasons why the universe might be expanding more quickly than previously thought.
Saturn at opposition: how to view the ringed planet in bright detail
Behold, the cheddar-colored marble.
This event is called an “opposition” simply because Mars will be directly opposite the sun in orbit.
If this doesn’t make you feel small, feeble, and full of awe — nothing will.
Watch debris from Halley’s comet flash across the sky tonight.
The experiment could eventually help humans explore Mars and even establish a permanent base on the moon.
The landing in Silicon Valley was beautiful.
But how? Lasers.
You too can observe the terrifying power of asteroids from the comfort of your backyard.
Astronomers hope to unravel the mystery of the pair as they brush by Earth.
The eclipse is more than just a stunning show. It’s a rare chance for scientists to study the sun.