Meteorites may be the only practical way to study Mercury's surface directly. Most meteorites that have reached Earth come ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

One reason is for camouflage; a giraffe's spots help it blend into its surroundings. The irregular markings break up the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

We don't know exactly why men are taller than women on average, but we have some genetic clues. On average, human males tend ...

Male Japanese quails produce a strange seminal foam that appears to enhance the chances of successfully fertilizing an egg.

The 300,000 year-old tools show that hominins in East Asia made planned foraging trips to lakeshores and designed instruments ...

NASA astronaut Nichole Ayers captured an electrifying image of a giant lightning "sprite" shooting up over Mexico and ...

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Save $100 on this 5-inch telescope and enjoy views of Saturn's rings, the belts of Jupiter and bright deep space objects like ...

Rice is difficult to grow in the Pacific, so how did it end up in a cave? Archaeologists reveal the hidden history of this ...

Scientists say that the construction of a vast new radio telescope array in the Utah desert — known as the Deep Synoptic ...