The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

Fresh data from the James Webb Space Telescope provide more evidence for what some consider a biosignature — but debate is ...

The constellation of four satellites can take both narrow- and wide-field images of the Sun to study its corona and solar ...

The photo of a 9.5-light-year-long cloud within the Eagle Nebula celebrates the space telescope’s upcoming 35th birthday.

The U.S. is in the midst of a second Space Race, and NASA is in a time crunch. How can it keep ambitions for the Moon and ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

In a preliminary budget proposal, the agency’s science programs would see a 50 percent reduction, with a 20 percent cut to ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

Questions remain about the Shift4 CEO and civilian astronaut’s priorities for the space agency, who recently laid out his ...

The company is developing a commercial replacement for the ISS, currently planned to be retired at the end of the decade.

There’s real joy in sharing a telescope with others and observing in a crowd. Here's how you can find a star party near you ...

A planetary scientist explains new research explaining the differing compositions between space rocks that hit Earth and are ...