NASA’s race to save the Neil Gehrels Swift Observatory has entered a decisive phase after the rescue spacecraft built to lift ...

Not everyone looks at the moon and sees the same thing. That's especially true for the four astronauts who flew NASA's ...

We love when astronomers share the images they capture with the James Webb Space Telescope because they are so dang beautiful ...

Astronomers who simulate galaxies do not always get the same result, even when they start from identical conditions. New ...

Even as temperatures rise on Earth's surface and in the lower atmosphere, the planet's upper atmosphere has cooled dramatically. This paradoxical pattern is a well-known sign of humanity's climate ...

The rules governing gravity and other laws of nature seem like eternal truths, but cosmologist João Magueijo has always ...