Space News & Blog Articles

New Webb data suggests that the hot super-Earth 55 Cancri e has a thick atmosphere, perhaps maintained by the planet's magma ocean.

James Webb Space Telescope observations of a faint, giant world have revealed the signature of aurorae — even though the world has no star.

JWST observations of the universe as it was 12 to 13 billion years ago indicate that the black holes at the centers of small, early galaxies were more massive than expected.

China’s Einstein Probe, an X-ray astronomy mission, heads to orbit.

Turns out, Betelgeuse isn't the only giant star to undergo a "Great Dimming."

The first launch of the United Launch Alliance Vulcan-Centaur rocket attempted to send Peregrine Mission One moonward, but a propulsion problem has likely stymied that goal.

New evidence suggests extreme starbursts and furious galactic winds are at the heart of odd radio circles (ORCs).

The beloved Perseid meteor shower of the August vacation season will evade the moonlight in 2024, at least during the best early morning meteor-watching hours, The Lyrids and Geminids aren't so lucky.

Humans return to cis-lunar space, NASA heads to Europa, and Japan plans to launch a first-ever sample return mission to the moons of Mars in 2024.

How does the Sirius-Procyon balance, newly risen, tilt for you? Depends on your latitude! Meanwhile, Triangulum and Aries teeter in balance on Jupiter.

Exomoon candidates are tantalizing but, according to new research, perhaps unfounded.

Relish the slow, steady pace of nearby Luyten's Star then switch things up with speedy meteors from a well-timed shower.

ISROs XPoSat will unlock the secrets of the X-ray universe.

If you’ve resolved to do more stargazing in the New Year, then 2024 will start you off with a bang! As told in this month’s Sky Tour astronomy podcast, you can look forward to some excellent celestial events.

Scintillating Sirius rises ever earlier to scintillate in colors. The Quadrantid meteors this week are well timed for Eastern North America. Two triangle constellations stack over Jupiter.

This year, we heard the low hum of gravitational waves criss-crossing the cosmos, observed a "ring of fire" solar eclipse, and applauded the arrival of asteroid samples. Here are Sky & Telescope's picks for the top news stories in astronomy this year.

The James Webb Space Telescope has revealed galaxies in the early universe, hidden star formation, and sniffed the atmospheres of exoplanets. But it's also exploring closer to home, imaging each […]

How to start successfully with a new telescope — a guide to what you need to know, how to set it up, and things you can start finding with it in tonight's sky.

Christmas week this year puts the late-night Moon at the highest overhead you'll ever see it. High Jupiter lights the evening. Venus is the bright "star" lower in the east at dawn.

Peering deep into the past, the James Webb Space Telescope’s keen detectors are revealing unprecedented details of some of the oldest structures in the universe.

New simulations showed astronomers where to look for evidence of a dwarf galaxy's bow shock as it crashes through the Milky Way's halo.