The upcoming solar eclipse will have the longest period of totality this century. Here's when it happens and where it will be ...

The Aug. 2, 2027, solar eclipse isn't actually the next total solar eclipse, though. The next one, on Aug. 12, 2026, will be visible in Greenland, Iceland, Spain, Russia and parts of Portugal, ...

Despite swirling online rumors, the so-called "eclipse of the century" isn't happening this week. But mark your calendars: a rare and lengthy total solar eclipse will sweep across parts of the globe ...

One of the most colorful and best meteor showers of the year is about to leave colorful streaks across the black backdrop of ...

During a solar eclipse, astronomers who study heliophysics are able to study the sun's corona—its outer atmosphere—in ways ...

NASA's interim administrator, Sean Duffy, has unveiled an ambitious directive to fast-track a 100-kilowatt nuclear reactor ...

Even with eclipsing binaries, measuring the properties of stars is no easy task. Stars are deformed as they rotate and pull ...