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From phone boxes and flux capacitors to black holes and hot tubs, sci-fi has created plenty of ways to explore the fourth dimension.

On St. Patrick's Day in 1958, the U.S. Navy launched Vanguard 1, the first solar-powered satellite and the oldest artificial satellite currently orbiting Earth.

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Blue Origin and NASA's Jet Propulsion Laboratory are teaming up to design an asteroid-defense spacecraft that will deploy a variety of deflection technologies.

The latest aurora forecast for tonight helps you make sure you're in the right place at the right time to see the northern lights.

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy known as the Hubble tension.

100 years after Robert Goddard launched the first liquid-fueled rocket, NASA is preparing a return to the moon with the Artemis program to extend humanity's reach into deep space.

Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like rotten eggs.

'It promises that this is just the beginning of the story for these characters. There's so much more to tell.'