Dark matter particle and antiparticle collisions could make some stars immortal. For a star, its initial mass is everything. It […]
Category: astrophysics
Merger of two massive black holes is one for the record books
Physicists with the LIGO/Virgo/KAGRA collaboration have detected the gravitational wave signal (dubbed GW231123) of the most massive merger between two […]
New evidence that some supernovae may be a “double detonation”
Skip to content It may be possible to blow up a white dwarf before it reaches a critical mass. Type […]
Simulations find ghostly whirls of dark matter trailing galaxy arms
“Basically what you do is you set up a bunch of particles that represent things like stars, gas, and dark […]
Milky Way galaxy might not collide with Andromeda after all
100,000 computer simulations reveal Milky Way’s fate—and it might not be what we thought. It’s been textbook knowledge for over […]
Have we finally solved mystery of magnetic moon rocks?
NASA’s Apollo missions brought back moon rock samples for scientists to study. We’ve learned a great deal over the ensuing […]
A star has been destroyed by a wandering supermassive black hole
Skip to content Second supermassive black hole is a long way from the galaxy’s core. Back in 2024, a system […]
3D map of exoplanet atmosphere shows wacky climate
Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its other hemisphere […]
Fast radio burst in long-dead galaxy puzzles astronomers
A surprising source FRBs are of particular interest because they can be used as probes to study the large-scale structure […]
Fast radio bursts originate near the surface of stars
Skip to content Single burst shows neutron-star-like features, a source close to the star. Artist’s conception of a magnetar launching […]