Distance in space is an illusion
Andromeda sounds far away because 2.5 million light-years sounds far away. It lands with authority. It feels exact.…
Webb Telescope Detects Unusually High Levels of “Heavy Hydrogen,” a Key Component of Nuclear Fusion Fuel, in 3I/ATLAS
New observations of the interstellar comet 3I/ATLAS by NASA’s James Webb Space Telescope have revealed an all-new twist…
NASA-JAXA’s XRISM Telescope Clocks Hot Wind of Galaxy M82
For the first time, astronomers have directly measured the speed of superheated gas billowing from a cauldron of…
NASA Webb, Hubble Share Most Comprehensive View of Saturn to Date
NASA’s James Webb Space Telescope and Hubble Space Telescope have teamed up to capture new views of Saturn,…
Expanding catalog of black hole collisions is rewriting the history of the universe
Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals,…
NASA’s Hubble Revisits Crab Nebula to Track 25 Years of Expansion
A quarter-century after its first observations of the full Crab Nebula, NASA’s Hubble Space Telescope has taken a…
Scientists are rethinking how young galaxies formed their magnetic fields
Magnetic fields that stretch across thousands of light-years should take a very long time to organize. Standard dynamo…
How Big Can a Planet Get Without Becoming a Star? JWST Data Solves 20-Year Mystery of Rule Breaking Exoplanets
One way gas giants form is through core accretion, where solid cores gradually grow in a disk by…
Astronomers have discovered a collision between two neutron stars in a small galaxy
ⓘ Mikkehouse – Pixabay An artist’s illustration showing a neutron star. Recently, astronomers have discovered a collision between…
Astronomers Just Found a Monster Cosmic Explosion in the Last Place They Expected
Most gamma-ray bursts—the brightest, most powerful explosions in the universe—are tracked back to the deaths of massive stars.…
NASA disqualifies X-ray telescope from Probe mission competition
WASHINGTON — NASA has disqualified one of the two proposals for a large astrophysics mission, a decision the…
NASA Discovers Crash of Extreme Stars in Unexpected Site
A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy…