
Echoes of Light Illuminate the Cosmos
Bizarre phenomena called light echoes create strange, shifting shapes seen in some telescopic images and help astronomers chart the heavens above

Echoes of Light Illuminate the Cosmos
Bizarre phenomena called light echoes create strange, shifting shapes seen in some telescopic images and help astronomers chart the heavens above

Our Nearest Sunlike Star Might Have a Planet, JWST Shows in Stunning Finding
In some of its most ambitious work yet, the James Webb Space Telescope looked to spot a planet in a potentially habitable orbit around Alpha Centauri A, the nearest sunlike star to our solar system


Can Astronomers and Satellite Operators Learn to Share the Sky?
Satellite streaks are ruining astronomical images. Can scientists and space companies find solutions before it’s too late?

The Physics of Spinning Black Holes Explained
Scientists are uncovering how spinning black holes launch jets, warp spacetime and shape the cosmos

Twin Meteor Showers Light Up the Night Sky Tonight: Here’s How to Watch
The Southern Delta Aquariids and the Alpha Capricornids are due to peak at the same time and may add up to something magical

The Sky Is Falling—From Another Star
Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy

We Just Discovered the Sounds of Spacetime. Let’s Keep Listening
Less than a decade since the first detection of gravitational waves—ripples in spacetime itself—proposed budget cuts threaten to silence this groundbreaking science

7 Big Mysteries about Interstellar Object 3I/ATLAS
Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever

Astronomers Witness an Alien Solar System’s Birth for the First Time
Observations of a baby star may show the earliest stages of planet formation that astronomers have ever seen

When the Sun Becomes a Red Giant, Will Any Planet Be Safe?
The future is bright—too bright—for life as we know it once the sun transforms into a red giant star

Astronomers Found the Most Self-Destructive Planet in the Sky
This planet triggers flares on its star—spelling its ultimate doom

Astronomers Brace for 10 Million Alerts a Night from Rubin Observatory
Astronomers have never had this much data available this quickly before