Space

One of the most compelling potential signs of extraterrestrial communication might have an astrophysical explanation. Called the “Wow!” signal, the […]

A lucky alignment of two sun-studying spacecraft may have finally solved a decades-old solar mystery. Data from NASA’s Parker Solar

At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people

As the youthful universe congealed under the pull of gravity, matter knotted itself into galaxies, galaxy clusters and filaments, weaving

For the first time, astronomers have watched gas boil and bubble on the surface of a distant star. Scientists observed

For the first time, scientists have measured a long-sought global electric field in the Earth’s atmosphere. This field, called the

Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found

As more and more species come close to extinction, scientists have been collecting samples of animals, plants and other creatures

Imagine going on a week-long business trip and not coming home until next year. That may be the case for

One of the most distant quasars known appears to have shut down the formation of new stars in all galaxies