Latest Astronomy News & Space Exploration

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

Dark photons may barely heat the early universe after all

Cygnus X-3 may be powering the Milky Way’s giant PeV gamma-ray bubble

47.8-Jupiter-mass brown dwarf sits in the middle of the brown dwarf desert

Dust and water are surviving remarkably close to the Milky Way’s central black hole

Older star clusters were born with heavier characteristic stars than younger ones

A 5.6-trillion-pixel map puts nearly 4 billion stars and galaxies on one digital sky

This strange curved galaxy sits almost exactly where a cluster’s gravity should create a cosmic arc

A white dwarf heavier than the Sun may have an oxygen-neon heart hidden beneath its surface

Massive elliptical galaxies may still carry the spin imprint of gravity from the universe’s infancy

Light passing a magnetar may finally expose the strange quantum behavior hidden inside empty space

A 130-Electron-Volt X-Ray Flash Vanished in Minutes Before an Explosion That Looked Like a Gamma-Ray-Burst Supernova Without the Gamma Rays

One Nearly Perfectly Symmetric Transit Stood Out Among Tabby’s Star’s Chaotic 20% Dimming Events—and May Trace a 9.4-Jupiter-Mass Companion

Six Years of Stellar Eclipses Suggest Pluto’s Atmosphere Stayed Stable Until About 2021 Before Beginning Its First Measurable Decline

Jupiter’s Hydrogen Could Keep Earth Bright for 9.1 Million Billion Years After the Sun Becomes Too Hot for Life

Deepest Images Yet Show IC 1101’s Vast Stellar Halo Dissolving Into Diffuse Cluster Light Across More Than 600 Kiloparsecs

Hidden ice beneath the Moon’s darkest south polar craters could make seismic waves race at up to 4,000 meters per second while leaving behind vast underground shadow zones