Latest Astronomy News & Space Exploration

3I/ATLAS formed in a place colder than -240°C, far from its home star

Black hole 35,000 times the Sun’s mass may be feeding on its own gravitational wake

The solar system’s tiniest icy worlds still carry the colors of their birth

Giant pulses from a transitional millisecond pulsar arrive in tightly clustered bursts

JWST finds galaxies masquerading as quasars, powered by enormous populations of very massive stars

Black-hole ringdowns may carry a local fingerprint of matter at the photon orbit

A white dwarf pair completes an orbit every 6 minutes — and keeps speeding up

Two starless hydrogen clouds may be hiding dark matter halos near M51

Bennu is so weak because it lacks enough fine dust to hold its larger grains together

Venus could have kept a moon for 4.5 billion years — if it spun fast enough

Betelgeuse has a hot spot that has stayed put for at least seven years

Gravity may have made a giant black hole merger look much heavier than it really was

The moon may have formed intact within hours of the collision that created it

The brightest X-ray flare ever seen from the Perseus Cluster’s central black hole was followed 296 days later by a radio flare

Webb catches a supernova that exploded when the universe was just 2 billion years old

Nearly every stellar stream in the simulations became irregular without any dark matter clumps

Mars’ southern interior may be 400 degrees hotter than the north

Roman will try to photograph exoplanets a billion times fainter than their stars

Gamma-ray line at 43 billion electron volts hints at the particles behind dark matter

Young planetary systems lose gas through powerful magnetic winds before radiation takes over

Earth’s magnetic response may not saturate during the strongest solar storms

Curiosity photographs tiny Martian polygons that may be ancient mud cracks

This coronal mass ejection looked like it would miss Earth, but spacecraft found a hidden component

NASA images a new 60-foot crater created by a SpaceX rocket stage

Hidden low-mass stars could make some early galaxies four times more massive

The Sun’s 11-year cycle weakened in two distinct ways during ancient solar minima

Two actively feeding black holes are growing inside a compact Green Pea galaxy

Distant blazar shows unusual light patterns that may be caused by invisible gravitational lenses

Gluon production drops sharply when ALICE probes regions one-quarter the size of a proton

A black hole 660 million years after the Big Bang is buried in an extraordinary cocoon of dense gas