Cookiecutter sharks rip small, cookie-shaped chunks out of sharks and whales much larger than themselves, but a new study finds these big animals make up only a small part of their diet.
A wooden pole made from an oak tree trunk and carved into the shape of a pagan idol 1,600 years ago has been unearthed in a bog in Ireland.
Capybaras have overrun a gated community in Argentina which was controversially built over their original habitat.
Following a botched first attempt, NASA's Mars Perseverance rover successfully collected a pencil-thin Martian rock core sample.
Scientists analyzed a rare brown dwarf named 'The Accident' and found that it is an exceptionally old, ultra-cold failed star unlike any other.
An angler fishing in Tampa Bay was surprised to reel in an unusual fish that looked just like a flour tortilla.
The largest piece of Martian rock on Earth, weighing around 32 pounds, has gone on display for the first time, at a museum in Maine.
How rare is our solar system? In the 30 years or so since planets were first discovered orbiting stars other than our sun, we have found that planetary systems are common in the galaxy.
Dogs regularly wag their tails to greet humans and other dogs, but what about their wild counterparts? Do wolves wag their tails?
Results from a massive study in Bangladesh unequivocally show that surgical masks reduce the spread of SARS-CoV-2, scientists say.
A flaming blue sword seems to pierce a giant cosmic heart in a gorgeous new photo captured by the Hubble Space Telescope.