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The Lyrid meteor shower will reach a peak later this month, but stargazers can catch a first glimpse beginning Wednesday night.

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being greeted with both enthusiasm and skepticism.

Monday's flight features the first all-female crew since 1963 and includes big names like Katy Perry, Gayle King and Lauren Sánchez. Here's what else to know about it.

Dune. Star Wars. Alien. Science fiction movies love alien worlds, and so do we. But how do scientists find planets outside our solar system in real life? One way is by looking for the stars that wiggle. Historically, astronomers have measured those . ...

On April 14, Blue Origin plans to launch a space flight with a crew that includes the singer behind the 2010 hit "Firework." But we can think of many other artists who deserve to be among the stars.

Later this year, astronomers will start filming an unprecedented 10-year movie of the southern sky, using a brand-new and super-powerful telescope facility in Chile.

Running an entire marathon takes a lot of energy. Neuroscientist Carlos Matute knows this: he's run 18 of them. He wondered how runners' bodies get the energy they need to make it to the finish line. His new research in the journal Nature Metabolism ...

SpaceX is planning a launch as early as Monday evening. If successful, it will mark the first crewed mission to polar orbit and the first mission to cultivate mushrooms as a crop ...

A science experiment aboard NASA's Curiosity rover has found tantalizing traces of possible past life on Mars. But there could be other explanations for where these compounds came from.

The partial solar eclipse will be visible in various locations in the U.S. Northeast.