Elnath, the bright, blue-white star that marks one of the horns of Taurus, is a peculiar star in its own right.
Space News & Blog Articles
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.
It wasn't aliens after all — an astrochemist and an astronomer have teamed up to explain why the interstellar object 1I/'Oumuamua behaved the way it did.
Prebiotic compounds previously found in meteorites have now turned up in pristine samples from the asteroid Ryugu, confirming their extraterrestrial origin.
A large elliptical galaxy spewing a black hole–powered jet might have eaten its neighbors, leaving it on its own.
The European Space Agency is working to get its ambitious Mars rover back on track after complex delays.
The crescent Moon visits Venus. The Orange Triangle turns nearly equilateral. And as evening grows late, Arcturus begins to dominate the low northeast. It's turning spring.
After decades of searching, scientists have finally found a clear sign of active volcanism on Venus.
Newly discovered Comet C/2023 A3 might reach naked-eye brightness when it flies past Earth in 2024. Check out our forecast of what to expect to see in the months ahead.
Phone battery dead? Learn how to tell time with the Big Dipper. Also, don't miss a remarkable transit of Ceres in front of the bright spiral galaxy M100.

