Energy Star, the Environmental Protection Agency program identifiable by the small blue logo with a star on many American appliances, may be terminated. The program began in 1992 as a way for ...

Once every 10,000 years or so, the center of a galaxy lights up as its supermassive black hole rips apart a passing star. This “tidal disruption event” happens in a literal flash, as the central black ...

Reference article: Facts about star charts and how to use them. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. With their unique and slightly ...

Astronomers have gotten a sneak peek at what could be Earth's ultimate fate in about 5 billion years when the sun reaches the end of its life and engulfs the solar system's inner planets – including ...

Some massive stars may go out with a fizzle, not a bang. A star that winked out of view could be a “failed supernova,” a stellar explosion that petered out instead of fully detonating, a new study ...

I love simple questions that wind up having complicated—or at least not straightforward—answers. Astronomers twist themselves into knots, for example, trying to define what a planet is, even though it ...