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Outer Space

An infrared image of 47 Tucanae, a dense globular cluster of stars located roughly 16,000 light years from Earth. A new study has predicted that a black hole lies at its center.

Think Big

How Astrophysicists Found a Black Hole Where No One Else Could

A new method could help scientists peer inside universe’s densest star clusters to find undiscovered black holes

The crew of Skylab 4 in August 1973. From left to right: astronaut Gerald Carr, who commanded the mission; scientist-astronaut Edward Gibson; astronaut William Pogue.

Mutiny in Space: Why These Skylab Astronauts Never Flew Again

In 1973, it was the longest space mission — 84 days in the stars. But at some point the astronauts just got fed up

Trending Today

Blazing Green Meteor Lights Up Midwest Skies

Early Monday morning, the fireball buzzed Wisconsin before breaking up over Lake Michigan

Clocking in at 2.4 billion year old, this space rock is unlike the others.

New Research

A Martian Volcano May Have Continuously Erupted for Billions of Years

A space rock found in Northwest Africa provides new clues to volcanic activity on Mars

This image shows a region in Saturn's outer B ring. NASA's Cassini spacecraft viewed this area at a level of detail twice as high as it had ever been observed before. And from this view, it is clear that there are still finer details to uncover. Researchers have yet to determine what generated the rich structure seen in this view, but they hope detailed images like this will help them unravel the mystery.

Cool Finds

NASA Releases Spectacular New Snapshots of Saturn’s Rings

Millions of moonlets appear to be tucked inside the debris that famously circles the planet

New Research

Ancient Asteroid Collision Is Still Raining Space Rocks Down on Earth

A new study shows that today’s meteorites considerably differ from those of the ancient past

An artist's impression of the gas being stripped away from spiral galaxy NGC 4921

New Research

Dark Matter Could Be Destroying Distant Galaxies

The mysterious substance may suck gas from the galaxies—and a gasless galaxy is a dead galaxy

Apollo 17 mission commander Eugene Cernan inside the lunar module on the moon after his second moonwalk of the mission. His spacesuit is covered with lunar dust.

Trending Today

Eugene Cernan: The Last Man on the Moon and So Much More

His experience helped make spaceflight safer

A special fish tank designed for experiments aboard the International Space Station.

New Research

Fish Don’t Do So Well in Space

The International Space Station’s resident fish shed light on life in microgravity

Trending Today

SpaceX Gets Back in Orbit: Watch Its Latest Rocket’s Remarkable Landing

After successfully deploying ten satellites into orbit, the rocket’s first stage adeptly landed on a floating platform

Cool Finds

New Hubble Image Captures the Collision of Two Galaxies

A beautiful look at a violent event

Three of Saturn's moons photographed by the Cassini spacecraft

New Research

Earth’s Moon Could Be Made From 20 Mini Moons

Our celestial buddy could have formed after multiple impacts—not one giant smash up

The asteroid Vesta, explored by NASA's Dawn spacecraft in 2011 and 2012

Trending Today

A Sneaky Asteroid Buzzed By Earth Yesterday

The space rock passed by at about half the distance between our planet and the moon

A model of the binary star system KIC 9832227, which could explode around 2022.

Trending Today

Catch a Star Exploding in Action in 2022

Just five years from now a pair of stars are predicted to merge, forming a glittery and bright new point in the sky

Jeanette Epps tries on a space suit

Trending Today

The International Space Station Will Finally Welcome a Black Astronaut

In May 2018, flight engineer Jeanette J. Epps will begin her mission on the ISS

An artist’s conception of the Lucy spacecraft flying by the Trojan asteroid Eurybates (left) and Psyche, the first mission to a metal asteroid (right).

Trending Today

NASA Just Announced Two New Missions, But Shelved Others

Though the new missions have exciting prospects, some scientists aren’t thrilled by the decision

Comet 45P/Honda-Mrkos-Pajdušáková as seen in October 2011

Trending Today

Fireworks Not Your Thing? Then Look Out For a Comet on New Year’s Eve

With a telescope in hand, you can watch a comet zoom past the Earth tomorrow night

Vera Rubin makes observations through the Flagstaff Telescope.

Trending Today

Five Things to Know About Boundary-Breaking Astronomer Vera Rubin

Her observations confirmed the theory of dark matter, and her activism helped open science to more women

Score was a tiny communications satellite attached to a really big rocket.

Cool Finds

Celebrate Christmas With the First Voice Ever Broadcast in Space

Eisenhower kicked off the space race with a goodwill wish

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