Have you ever looked at the beach and wondered how many grains of sand there are? That can be mind-boggling to think about. Scientists estimate that, depending on the grain size and density, a single ...

Earth’s oxygen will vanish in a billion years due to a brightening Sun, ending most life and leaving a methane-rich world ...

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...

A revolutionary propulsion concept using light sails could one day allow small spacecraft to travel between stars at ...

Scientists recreate face of fearsome 30m-year-old carnivore, Bastetodon.Source: Professor Hesham Sallam More than 2,700 ...

The Alpha Centauri star system is approaching the sun. Two researchers have determined how many objects from there have ...

More than 1 million "interstellar objects" the size of the Statue of Liberty could be drifting unseen in the outer solar ...

New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.

The detection of a large interstellar objects in 2017 named 'Oumuamua was a remarkable discovery. Figuring out where the ...

A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for interstellar propulsion.