Sky This Week is brought to you in part by Celestron. Friday, June 20The summer solstice occurs at this evening at 10:42 P.M.

ESA’s Proba-3 mission has achieved a spacefaring marvel: two satellites flying in perfect formation to mimic total solar ...

A surprising find beneath the rolling terrain of northeastern France may help shift the global energy balance. Deep ...

Adventure seekers and travelers might argue that summer informally begins with the Memorial Day weekend. Then there's solar ...

Latest agreements add to country’s initiative in long-term surveillance system to protect communications, power grids.

After the sun arrives at its solstice point, it will begin to migrate back toward the south and the amount of daylight in the ...

West Paducah’s Shawnee Steam & Fossil Plant fired its first coal stack — generating electricity for thousands inside the ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City ...

In just 15 years' time, the European Space Agency hopes humans will live in huge 'space oases' on Mars - luxury indoor ...

Could a rogue star disrupt our peaceful solar system? Scientists are keeping a close eye on the galactic neighborhood, and ...

Neanderthals have long been the subject of intense scientific debate. This is largely because we still lack clear answers to ...