Meet a monster black hole at the dawn of time

Astronomers have spotted a monster black hole at the dawn of time. It currently holds the record for earliest confirmed black hole. More here.

Surprise! Glaciers on Mars are made of mostly pure ice

Glaciers on Mars are at least 80% pure ice, a new study finds. Scientists had previously thought they contained a lot more rocky material.

Europa Clipper successfully tests radar during Mars flyby

Europa Clipper tested its radar during a Mars flyby in March 2025. The newly announced results show the instrument is working as hoped.

Light pollution is impacting astronomy around the globe

Light pollution is affecting astronomical observatories around the world. Increasing light pollution and urban sprawl are impacting even remote sites.

Study: Starlink disrupts radio astronomy, too

A recent survey studied the impact of satellite radio emissions on radio astronomy observations. It found Starlink satellites were the main culprit.

New 5th planet found in system of remarkably diverse worlds

Astronomers have discovered a 5th planet in the L 98-59 planetary system, in the star's habitable zone. The system features a diverse range of worlds.

Dark energy surprise suggested by super set of supernovae

A new analysis of supernovae observations hints that dark energy may change strength over time. It could mean we need to recalculate the universe's fate.

Meet Apep, a pair of dying stars in a swirling nebula

Webb has captured an image of Apep, which includes the swirling nebula around 2 dying stars. A scientist explains what we know about it now.

This baby exoplanet is shrinking toward a sad destiny

NASA's Chandra X-ray Observatory has found a baby exoplanet that is slowly losing its atmosphere and shrinking as it is pummeled by radiation from its star.

Is the 3rd interstellar visitor – 3I/ATLAS – an alien probe?

It's highly unlikely the interstellar comet 3I/ATLAS is an alien spacecraft. However, here are things scientists would look for to detect an alien probe.