The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…
Cosmic plasma was supposed to rule out dark photons. Simulations say otherwise
A major limit on dark photon dark matter may be far weaker because early-universe plasma stops absorbing energy…
The Milky Way glows brightly in first-of-its-kind neutrino image
IceCube has produced the first neutrino image of the Milky Way, revealing high-energy particle activity concentrated along our…
Space habitat design could shape astronaut mental health on Mars missions
Space habitats may need to protect astronauts’ mental and social wellbeing, not just shield them from physical hazards.An…
Helix Nebula reveals what happens to material shed by a dying star
The Helix Nebula is revealing how debris from a dying star gets broken apart and mixed into the…
JWST finds water around a dying star near the Milky Way’s central black hole
A giant aging star near the Milky Way’s central black hole is shedding enormous amounts of gas and…
Astronomers have observed a wandering black hole shredding a star
ⓘ NASA – Unsplash An illustration showing a star and a galaxy. Astronomers have recently detected a black…
WATCH LIVE: NASA to give update ahead of Crew-13 launch from Florida
HOUSTON – NASA is set to hold a pair of news conferences on Monday to preview the upcoming…
NASA’s Juno spacecraft finds temperatures surging just below Io’s volcanic surface
NASA’s Juno spacecraft measured heat beneath Io’s surface for the first time, finding temperatures rise sharply within just…
JWST captures stunning images of one of the lightest known exoplanets
Astronomers discovered Beta Pictoris d, a gas giant about 2.4 times Jupiter’s mass, after spotting it in VLT…
A beam of light can cross the entire universe in no time at all
A photon can cross a billion light-years while accumulating no elapsed time along its path.Special relativity links space…
Inside the strange physics of why time stops at the speed of light
A clock aboard a fast-moving spacecraft does not break, lag or malfunction. It ticks normally for everyone inside.…