The most distant pair of supermassive black holes discovered offers a unique insight into how galaxies merge.
Space News & Blog Articles
Don’t disbelieve the hype: New evidence for active volcanic vents on our sister planet is convincing.
A new catalog pinpoints volcanic cones in the best available surface images of Venus – those gathered 30 years ago by NASA’s Magellan spacecraft.
ESA’s first dedicated mission to Jupiter launches from Guyana Space Center.
Venus shines with Aldebaran and the Pleiades in late twilight. After sunset on the 20th, try to spot your record-breaking thinnest young Moon. And Leo walks west with a mouse-galaxy dangling from his chin.
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!
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.
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.
New evidence suggests the first stars to shine in the universe formed in groups.

