Space News & Blog Articles

JWST's detection of early galaxies that are far more massive than astronomers had expected could mean we need to rewrite our understanding of the cosmos.

Protect the night sky — join the International Dark-Sky Association for activities during International Dark-Sky Week.

Flashes of radio waves — whose exact sources are still a bit of a mystery — are helping astronomers learn about the hot gas that surrounds the Milky Way.

Leading theories say giant planets shouldn’t be able to form around very low-mass stars. But a new study finds that, nevertheless, they do.

A long totality passing through Mexico, the U.S., and Canada beckons — and planning ahead will be crucial.

Astronomers have discovered an asteroid that orbits the Sun with Earth, earning it the moniker "quasi-moon."

Venus in the western twilight guides the way down to Mercury. The Pleiades pass by Venus far in its background. And can you find the head of Hydra?

Webb has returned an image of ringed Uranus, currently experiencing the dog days of northern hemisphere summer.

Elnath, the bright, blue-white star that marks one of the horns of Taurus, is a peculiar star in its own right.

The countdown begins for the next total solar eclipse to cross North America. And six months before that viewers will be treated to an annular eclipse.

NASA has announced the names for the Artemis 2 crew headed to the Moon in 2024. Meanwhile, the Artemis program as a whole is taking shape.

Connection to the night sky can ease stress and give us a feeling of security.

This month’s episode offers an easy-to-follow guide to finding the solar system’s two innermost planets after sunset. And then it takes you on a guided tour of the rest of the key stars and planets that you’ll see on April evenings — a fun and informative way to introduce yourself to the nighttime sky!

Gamma-ray bursts are the most luminous explosions in the universe, and we’ve learned much about these superlative outbursts since their discovery in 1967.

Mercury emerges this week far below Venus at dusk, while Venus makes its way toward the Pleiades. Orion turns his belt horizontal for the warming weather.

New evidence suggests the first stars to shine in the universe formed in groups.

Do you still see animal shapes in clouds? If so, you'll enjoy doing the same with the Moon, home to the Moon Maiden, a giant pair of scissors, and other fantastic specters of light and shadow.

The TRAPPIST exoplanets offer the James Webb Space Telescope some of the best opportunities to observe rocky worlds. But Webb images show the innermost planet b has no atmosphere.

Astronomers are sounding the alarm about low-Earth orbit satellites and space debris as significant contributors to light pollution that will affect even the remotest earthbound stargazer.

The Northeast Astronomy Forum in Suffern, NY, welcomes visitors from across the world on April 15–16, and we'll be there — will you?

The Winter Hexagon fills the west after dark. The waxing Moon steps east across the evening sky from Venus past the Pleiades, then past Mars.