A boater in Denmark has the good fortune to record an animal that's only be sighted in the wild 15 times in the past century.
A black hole that hasn't been heard of since 1989 has suddenly become active again and is now the brightest object in the X-ray sky.
No more than a dozen Leica Telephoto Assembly Rifles were ever produced. This is a rare chance to own a piece of photographic history.
But the message must contain a specific series of Arabic characters, so you're likely to receive it only as a prank. And there are ways to resolve the problem.
An upcoming book collects hundreds of rare and unpublished photos of NASA's first manned space programs -- Project Mercury and Project Gemini -- just in time for the 50th anniversary of the first US spacewalk.
A giant planet 11 times the mass of Jupiter has been directly photographed, the closest such planet to Earth we've seen with our own eyes.
A researcher from the National Oceanic and Atmospheric Administration finds a most unusual shark in a most unusual place.
HDMI, USB, speaker, and other cables come in a wide variety of prices. Is it ever worth it to spend more? Actually, sometimes yes.
Researchers have found rare satellite dwarf galaxies and candidate dwarf galaxies in orbit around our Milky Way, the largest number of such satellites ever found in one go.
The almost-complete Stegosaurus skeleton recently acquired by the UK's Natural History Museum has been digitised for more intensive study.