Two space debris-related events that occurred this week point to how routine rocket launches can leave their mark on Earth.

Star Wars star Mark Hamill, author Stephen King and millions of others now are Bluesky users. But the NFL is holding out for ...

Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more.

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

And just like that, for the first time in decades, the Milky Way could be seen streaked across the black sky, speckled by thousands of shimmering stars. “I saw a (starry) sky from my location in ...

According to the Allies, one of the most critical aspects of winning World War II was establishing air superiority over the Germans. To ensure the ground effort got to Berlin, the air war had to ...

He was able to spot it with the naked eye even from the National Mall. “You don’t really need dark skies,” he said. “I saw it literally right by the Capitol. Which has streetlamps ...

It is coordinated by a complex network of brain regions, at the heart of which lies a tiny bundle of neurons known as the "locus coeruleus", Latin for "blue dot". It is a literal description ...

Sky has a busy month ahead. The satellite TV firm has already announced that it will be launching something, "Smarter, brighter and better than ever" on February 11th, and now there's something ...

We’re quickly losing sight of Saturn, but Venus, Jupiter, and Mars dominate the sky. Uranus and Neptune are easy binocular objects. Mars is still at its best, having reached opposition last month.

“I love Europe,” newly inaugurated U.S. president Donald Trump proclaimed to the World Economic Forum in Davos last week. Yet there was also much he did not love, such as that time back in his ...