Space

US Air Force's New Missile-Warning Satellite Launching Tonight: Watch It Live

The U.S. Air Force's newest early-warning satellite for missile defense will launch into space from Florida tonight (Jan. 18) and you can watch the action live online.

Space

Astronaut Set to be First African American on Space Station Crew Removed from Flight

A NASA astronaut who was slated to be the first African American to serve as a member of a crew on the International Space Station has been removed from her upcoming flight. Jeanette Epps had been set to launch to the space station for a five-month expedi

Space

Alpha Centauri: Nearest Star System to the Sun

Three stars in this system are the sun's nearest stellar neighbors.

Space

Johnson Space Center (JSC): NASA's 'Houston'

Facts and information about the home of NASA's astronaut corps.

Space

Sally Ride: First American Woman in Space

Sally Ride was the first American woman to go into space.

Space

Space.com Talks with Astronaut Scott Tingle in Space Today!

Today at 12:20 p.m. EST (1720 GMT), Space.com will make a long-distance connection with NASA astronaut Scott Tingle on the International Space Station, and we want you to join us! Do you have a question for Tingle in space? Let us know!

Space

Satellite Images Capture Rare Snowfall in the Sahara Desert

Satellite photos show parts of Africa's Sahara Desert blanketed in snow following a rare winter storm that occurred on Jan. 7, 2018.

Space

Lawmakers Prod SpaceX and NASA on Fate of Secret Zuma Mission

House lawmakers on Wednesday (Jan. 17) pressed SpaceX and NASA officials on what exactly happened to the secret Zuma spacecraft launched into space this month on one of the company's Falcon 9 rockets.

Space

Lunar Fountain? Accessible Ice Could Lurk in Moon's Lava Tubes

New images from NASA's Mars Reconnaissance Orbiter suggest there is an underground network of lava tubes beneath the lunar surface that could offer astronauts easy access to water.

Space

Left at the Next Pulsar: Spacecraft Could Navigate by the Stars

By relying on three or four pulsing stars to navigate, missions could calculate spacecraft locations faster and more accurately than they can using current methods.

Space

India's Nuclear-Capable Agni-5 Ballistic Missile Aces Test Launch

India successfully tested a long-range ballistic missile, the country's Ministry of Defence announced Thursday (Jan. 18).

Space

A Space Magnet, Hunting Dark Matter, Turns Up Juicy Secrets of Cosmic Rays

An experiment based on the International Space Station has turned up new results about the shape and character of mysterious cosmic rays.

Space

How NASA Is Prepping Its New Megarocket to Shoot for the Moon in 2019

It's going to be a busy year for engineers who are building NASA's new Space Launch System and Orion crew capsule in order to ready both vehicles for their first launch together, which is planned for 2019.

Space

'First to the Moon' Film Seeks Crowd Funds for Apollo 8 50th Anniversary Release

A feature-length documentary about the first humans to fly to the moon needs the public's help to be ready in time for the mission's 50th anniversary.

Space

What Is the Biggest Thing in the Universe?

Earth and even the sun are puny compared to a mighty, hulking source of gamma-rays.

Space

Binary Star Systems: Classification and Evolution

Binary stars are two stars orbiting a common center of mass.

Space

Star's Odd Moves May Reveal Secret Black Hole

A distant star may be hiding a black hole secret.

Space

Get Ready for 2 Solar Eclipses Coming to the US in 2023 and 2024

While skywatchers are still raving about the solar eclipse of Aug. 21, 2017, it's time we turn our attention to the next big solar eclipses coming to the U.S. in 2023 and 2024.

Space

Is America's Hypersonic Spy Plane Back and Better Than Ever?

The SR-71 Blackbird hypersonic spy plane may be back and faster than ever.

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