NASA astronauts Butch Wilmore and Sunita Williams will spend at least eight consecutive months aboard the International Space Station as their Boeing Starliner spacecraft returns to Earth empty. Is their extended spaceflight record-setting?
While millions of Earthlings watched the "blood moon" total lunar eclipse on March 13-14, the private Blue Ghost spacecraft caught an ultra-rare view of Earth blocking out the sun from the surface of the moon.
The U.S. military's top-secret X-37B space plane has returned from a mysterious 434-day mission in orbit. The enigmatic mission 'broke new ground' for reusable space technology, according to the U.S. Space Force.
In a rare "time-critical" decision, the James Webb Space Telescope will study the true size of the "potentially hazardous" asteroid 2024 YR4 twice over the next few months. The asteroid has a roughly 2.3% chance of impacting Earth in 2032.
A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), potentially triggering colorful auroras over the northern U.S.
The enormous near-Earth asteroid (887) Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare once-in-a-decade event. Here's how to watch it live this weekend.
From the mysterious Planet Nine to the prospect of a "human-caused meteor shower," space and physics editor Brandon Specktor lists his favorite stories of 2024.
What happens during the winter solstice? Here's why this day is the shortest day of the year, with the fewest hours of daylight. The winter solstice falls on Dec. 21 or 22 every year in the Northern Hemisphere.
Astronomers using the James Webb Space Telescope have spotted a feeding black hole in the early universe that seems to be eating 40 times faster than is theoretically possible.