Latest Astronomy News & Space Exploration

Astronomers are closing in on the helium made in the universe’s first minutes

GW241011’s fast-spinning object was too round for a class of boson stars

Water ice takes on a hexagonal structure deep inside the extreme conditions of ice giant planets

The black hole may be erasing binary stars from the Milky Way’s center

The young Sun may have swallowed a super-Earth that still shapes its interior

The largest sunspot ever recorded could have powered a superflare

Bright features in a black hole jet may not be shock waves after all

Chariklo’s two rings changed in opposite directions between 2017 and 2022

The universe’s primordial helium may be telling us how many neutrinos existed at its birth

Cloud-9 may be a galaxy that formed no stars at all

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