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

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

The planets offer exciting views in April. Jupiter is a brilliant object in the evening sky, although the observing window narrows as the Sun sets later each day. Mars is past its best, but ...

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.

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

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

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

The company’s New Shepard rocket launched celebrities and four others to the edge of space and back on April 14, 2025.

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 ...

We’ve wondered what powered the Sun for centuries. Early guesses included meteor showers, chemical combustion, and ...