Many people imagine the space between the stars as an empty, cold infinity. In reality, it is teeming with extraordinary ...

What would it take to leave our solar system and reach the stars? Meet 3 incredible interstellar spaceship concepts that aim to do just that. From nuclear propulsion to light sails and antimatter ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, ...

The watercraft is characterized by bold lines, a tapered bow, an elongated aft deck, and overlapping decks that seem to float ...

This month's night sky is filled with close-range meteors, swirling nebulas, and prime stargazing conditions. Here’s when you ...

For 75 years, scientists have consistently pondered the Fermi Paradox, which asks why we don’t hear from other civilizations ...

Astronomers have spotted something remarkable hiding in the depths of the Milky Way—a nearly perfect circle formed from the ...

A groundbreaking new supercomputer model shows how magnetic fields shape the turbulent flow of charged particles in space.

Filmmakers on remote Caribbean island to livestream images of the SpaceX mega-rocket as it streams by overhead — or breaks up ...