Why are heart attacks more common in winter? A cardiologist explains

Colder weather can trigger a number of physiological changes that may increase the risk of a cardiac event.

20m

10 surprising facts about the 'mind-control' parasite Toxoplasma gondii

T. gondii is one of the most common infectious parasites on Earth, but it is also one of the most interesting to learn about.

2h

How to watch the rare green comet whiz past Earth tonight

Tonight (Feb. 1), the green comet C/2022 E3 ZTF will make its closest approach to Earth since the age of the Neanderthals. Here's how to view it.

8h

Similar brain 'thinning' seen in older adults with obesity and people with Alzheimer's

A new study links obesity to patterns of brain tissue loss that overlap with those seen in Alzheimer's disease.

16h

Who was Nefertiti, the ancient Egyptian queen depicted like a goddess?

Queen Nefertiti was the wife of the sun-disk worshipping Pharaoh Akhenaten and stepmother to King Tutankhamun.

17h

What is the key to happiness? We look at the science behind it.

From social connection to physical activity, is science any closer to finding the key to happiness?

19h

Ultra-rare 'rainbow clouds' light up the Arctic Circle like auroras in stunning new photos

Rare clouds that give off bright, multi-colored light like an aurora were recently spotted at multiple locations in the Arctic. But what causes them?

20h

Mini sun with simulated gravity could help prepare us for deadly solar storms

The tiny sun used sound waves to simulate the sun's swirling mass of plasma

21h

Unicorn-like blind cave fish discovered in dark waters deep in Chinese cave

Researchers stumbled across a bizarre species of blind cave fish with a mysterious, horn-like structure protruding from its head and a lack of scales or pigmentation.

21h

Egyptian mummies covered in gold are rare, and we may have just found the oldest

An ancient Egyptian mummy is the oldest covered with gold, but it's not the oldest ancient Egyptian mummy on record.

22h