All Space Articles

Our Milky Way galaxy is on a collision course. With destiny. With destruction. With fate. With our nearest neighbor, Andromeda. You can stream HOW THE UNIVERSE WORKS on discovery+.

Using a network of dead stars, astronomers get closer to seeing the background ripples of the universe.

On Sunday, May 2, at 2:56A ET, NASA astronauts Michael Hopkins, Victor Glover, Shannon Walker, and JAXA astronaut Soichi Noguchi returned home. From undocking to splashdown, here's everything you need to know. Catch up on NASA's SpaceX Crew-1 mission on SPACE LAUNCH LIVE: CREW-1 LIFTOFF, streaming on discovery+.

Recently NASA announced two brand-spanking new missions to our sister planet, Venus. This is the first time in over 40 years that Americans have led a mission to that enigmatic planet. What do they hope to find? Clues to our past…and answers to our future.

Liftoff set for Friday, April 23, at 5:49A EDT marks the second operational flight of SpaceX’s Crew Dragon. Four space explorers are heading to the International Space Station for a six-month stay. It will take them 23 hours to reach their destination.

What we have is a cosmic whodunit. Venus, the second planet from the sun and considered by the more romantic types as "Earth's twin" and the avatar of love, is dead.

For many of us, teleportation would be the absolute best way to travel. Imagine just stepping into a transporter and being able to go thousands of miles in nearly an instant.

There’s been a lot of excitement around space exploration recently. Astrophysicist Paul M. Sutter discusses the viability between the Moon and Mars.

Only about 40% of an estimated 25,000 near-Earth asteroids with the potential to destroy the planet have been detected. Scientist Dr. Ed Lu, along with his nonprofit B612 are working to create a way to detect the other 60%.

Scientists estimate that our Sun is about 4.57 billion years old. They’re surprisingly confident about that number, too, which opens up an immediate question: how do we know that? The short answer is “a lot of science and math”, but I have a feeling you’re not here for the short answer.

With award season in high gear and movie stars flocking to Hollywood, let’s look up to the real stars in our lives and celebrate some of astronomy’s biggest results from last year.

Recently a weak spot in the Earth's magnetic field over the southern Atlantic Ocean has been getting weaker, which could signal the beginnings of a global magnetic reversal event. Or not. It’s complicated.

Discovered in late March, Comet NEOWISE has shown itself in the skies all over the world. Dr. David Schleicher, Senior Astronomer at Lowell Observatory gives us some details about this cool comet gracing the night skies.

How do you see a perfectly black object in the middle of a pitch-dark night? It sounds like the start of an annoying riddle, but it’s really the question faced by astronomers when they want to search for black holes.

The Star Trek star will become the oldest person to go to space when he launches aboard a Blue Origin rocket on Wednesday, October 13. Watch live coverage on Space Launch LIVE: Shatner in Space on Discovery and Science Channel starting at 8:30A ET with liftoff scheduled for 10A ET.