A new study of zircon in lunar rocks suggests the moon may have been created 4.51 billion years ago, just 60 million years after the formation of the solar system.
A new study looks into one of the mysteries of human-canine communication.
Scientists looked to nature to create the world's strongest artificial spider silk.
Asteroid 2017 AG13 unexpectedly whizzed by Earth on Monday. What is NASA doing to prepare?
Sponsored by the National Audubon Society, the annual winter tally offers an opportunity for ordinary citizens to help gather data on bird populations around the globe.
In an astronomical first, the Hubble telescope spies a shadow that appears to betray the presence of a hidden planet.
SpaceX has an ambitious timeline, but a more cautious approach may be necessary, some observers say, given how much is at stake.
Two stars in the binary star system KIC 9832227 may collide sometime in 2022, creating a red nova that would be visible to the naked eye some 1,800 lightyears away.
Two astronauts took a risky spacewalk Friday as the part of a long-term effort to upgrade the batteries on the International Space Station's power grid.
Scientists' new discovery of fossils in 52 million-year-old Patagonian rock shows that the ancestors of many common foods were already around when the Gondwana supercontinent was breaking up.