In celebration of the 35th anniversary of the legendary space telescope’s launch, here are 35 of our favorite images it has ...

In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies and gravitational lenses.

Asteroid Donaldjohanson was the second destination on the NASA mission’s itinerary — and its size and shape were not what scientists expected.

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 ...

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

The shining Southern Pinwheel Galaxy (M83) in Hydra checks almost every box an amateur astronomer could desire.

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

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

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 ...

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

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 ...