A brief flashback in this Nigeria-set episode dives deep into the Doctor's past.
Amateur astrophotographer Greg Meyer has captured a colorful view of the Rho Ophiuchi star-forming region alongside Messier 4.
It's been one year since the historic Gannon Storm lit up the night sky with auroras and piqued interest in space weather. Here's what experts say we learned from the historic event.
Every time this doomed star plunges through a supermassive black hole's accretion disk, it loses orbital energy and triggers a burst of X-rays.
A perfect time to explore the lunar maria.
Astronomers have caught a black hole far from the center of its galaxy ripping a star to shreds — offering for the first time evidence of a rogue supermassive black hole in action.
The best solar telescopes suitable for the next solar eclipse.
A new image from Europe's Copernicus Sentinel-3 satellite shows the huge Antarctic iceberg A-23A stuck 45 miles (73 kilometers) off the coast of South Georgia Island.
I think we know who's supplying the c(r)atering for this dance party.
The brilliant blue-white star lighting up the red nebula Sh2-46 hints at a dynamic and possibly fleeting encounter that could reshape the nebula's appearance over time.