Sunflower sea stars, a species of giant starfish, are critically endangered. Researchers tinkered with sperm in an aquarium lab to…
Science
Russian President Vladimir V. Putin may find that a nuclear weapon in orbit is less useful for war than intimidation.
A new study suggests that the amount of the element on the moon of Jupiter is on the lower end…
Two spacecraft have ended up askew on the lunar surface this year. It is easier to tip over in the…
ORIGINS On the Trail of the Denisovans DNA has shown that the extinct humans thrived around the world, from chilly…
The arachnids, which are not spiders, were thought to have only two eyes, compared with many more on spiders.
A study suggests that humans often misinterpret a pet’s signals; even purring doesn’t guarantee a contented cat.
Judah Levine, top time researcher, explains how Feb. 29 was invented to keep the major holidays from colliding.
A new study argues that Perucetus, an ancient whale species, was certainly big, but not as big as today’s blue…