Latest Astronomy News & Space Exploration

Metal-bearing gas was already moving at up to 250 kilometers per second around galaxies less than a billion years after the Big Bang

Astronomers spot what may be the first stellar stream from a globular cluster torn apart outside the Milky Way

TRAPPIST-1e is older than Earth, but its hypothetical biosphere may be billions of years behind

β Pictoris b is blasting out auroral radio bursts from a magnetic field at least 1.25 kilogauss strong

One jet from a hidden binary may be hitting a molecular cloud deep in the Milky Way

The Moon’s newest crater disturbed the surface more than 120 kilometers away

A giant planet’s transits are shifting toward the edge of its star and may vanish by 2033

Huge impacts may shatter icy moons, but their underground oceans can survive for billions of years

A giant planet is growing inside a narrow gap around a star less than 1 million years old

This spiral galaxy’s center rotates at a right angle to its outer disk

The solar system’s first planetesimals were mostly built from heat-forged rock droplets

Delayed collapse lets a young cosmic halo grow a million-solar-mass black hole seed

47 faint dwarf galaxy candidates emerge where only four were known before

One stellar stream may be the remains of a disrupted dwarf galaxy

SIMP 0136’s changing spectrum can be traced to two atmospheric patterns as it spins every 2.4 hours

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