After looping through space for 53 years, a wayward Soviet spacecraft called Kosmos-482 returned to Earth, entering the planet's atmosphere at 9:24 a.m. Moscow time Saturday, according to Roscosmos, ...

The Sun is the most important star in the entire Solar System, as it is not only the gravitational force around which all other objects within it rotate, but it accounts for 99.8% ...

These entrepreneurs are working to harness tidal power as a reliable, scalable source of energy. But there's one big problem.

The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

ESA’s Proba-3 mission pulled off the first-ever artificial eclipse in space using fully automated spacecraft formation flying ...

A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders ...

Engineers have invented a sponge-like device that captures water from thin air and then releases it in a cup using the sun's energy, even in low humidity where other technologies such as fog ...

One of the biggest difficulties in helping people affected by natural disasters is transporting and providing them with ...

From earning rebates to outwitting energy vampires, here are expert tips to help you conserve energy, spend less, and enjoy ...

At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

The long-range weather forecast indicates a decent chance of higher-than-normal temperatures in early part of the summer. A ...