International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

By mid century, the familiar constellations that guided sailors and storytellers could be drowned in a permanent artificial ...

Scientists have created the most detailed map yet of dark matter—the mysterious substance that makes up most of the universe ...

A February moon offers a practical preview of where to look for March's total lunar eclipse.

AI helped researchers probe the Hubble Space Telescope's archive to find strange celestial objects, including some ...

A new image from NASA's Hubble Space Telescope shows the Lupus 3 cloud in Scorpius bursting with young stars that are forming ...

NASA Goddard Space Flight Center's Dr. Jennifer Wiseman explains the Hubble Space Telescope's view of the Pillars of Creation, located in the Eagle Nebula. Credit: NASA's Goddard Space Flight Center ...

The first crewed mission around the moon in more than 50 years is coming up. Here’s how to see it at sites in and around the ...

Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Settlements on the moon are classic science fiction settings, but despite purported attempts by NASA to build homes on the moon, we've never really come close to building one. It's not hard to see why ...

The Artemis II mission will send four astronauts on a test flight around the moon, the first crewed mission to the lunar vicinity in over 50 years. Unlike the Apollo missions, Artemis II's flight path ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists believe it is a “failed galaxy,” a leftover building block from the early ...