Space

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

For millennia, humans have seen inexplicable things in the sky. Some have been beautiful, some have been terrifying, and some

A new look at decades-old data from the Apollo missions has uncovered evidence of tens of thousands of previously unrecognized

The star marking true north is a good deal heavier than we thought. The North Star is 5.1 times as

In planet formation, as in poker, you have to play the hand you’re dealt. If an Earthlike planet is the

As more and more species near extinction, scientists have been collecting samples from animals, plants and other creatures and storing

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

Contrary to a previous report, there’s no evidence of an intermediate-mass black hole in Omega Centauri, the Milky Way’s most

One of the farthest known quasars seems to have shut down the creation of new stars in all the galaxies

Imagine going on a weeklong business trip and not coming home until the following year. That may be the situation