JWST finds rare planet with different atmospheric conditions at dawn and dusk
WASP-121 b is split between extremes. One side faces its star nonstop and burns at about 2,770 Kelvin.…
A supernova remnant may have been discovered in the Milky Way
ⓘ NASA – Unsplash An image showing the supernova SN 1993J. Thanks to the Chandra X-ray Observatory, astronomers…
Rare meteorite points to a long-lost planet from our early solar system
A meteorite found in the Sahara is forcing scientists to rethink what kinds of worlds once circled the…
Galaxy-killing wind may explain why giant galaxies died so early
A massive galaxy in the early universe seems to be growing itself toward ruin. While it churns out…
Astronomers detect winds from a black hole reaching 30% of the speed of light
ⓘ NASA – Unsplash An illustration showing two black holes. Recently, astronomers have detected powerful winds in a…
The explosive fate of a collapsing star depends on neutrinos
A dying massive star does not go quietly. Its core collapses, matter crashes inward, neutrinos pour out in…
New tachyon theory could unlock the secrets of time travel and causality
Faster-than-light particles have spent decades in physics as both temptation and warning. They offered a way to test…
Physicists propose that our universe may contain three dimensions of time
Space and time looked settled, at least in broad outline. Einstein’s special relativity gave physics a durable framework…
Early galaxy collisions may explain why giant galaxies died young
A new study suggests that some of the Universe’s earliest giant galaxies may have lived dramatic lives. They…
New analysis reveals why Ganymede has a magnetic field when other moons do not
Ganymede has long looked like a contradiction in orbit. Jupiter’s largest moon is the only moon known to…
Sending short messages back in time may not break the laws of physics
A message from the future sounds like science fiction, until someone starts asking how many bits it could…
Moon dust could become the foundation of humanity’s first permanent lunar base
The dust under a moonwalker’s boots looks harmless from a distance. Up close, it is anything but. Lunar…