Scientists reveal the hidden forces shaping how gravity works across the Universe
Gravity behaves predictably in your daily life. Drop a ball, and it falls. Planets loop around stars. On…
Astronomers find compelling new evidence of the first stars formed after the Big Bang
A faint glow of helium, hanging near one of the earliest known galaxies, may be the clearest sign…
Astronomers discover three distinct groups of merging black holes
Black hole collisions do not appear to come from one simple cosmic recipe. After studying more than 150…
Scientists develop laser-powered graphene propulsion for next-generation space travel
A laser hit the tiny black cube, and it lurched forward almost at once. That split-second jump, caught…
The coldest ever hunt for dark matter has begun deep underground
Two kilometres underground near Sudbury, Ont., a machine has reached a temperature so low it barely seems real.…
Our local universe’s expansion rate doesn’t add up, astronomers find
A difference of a few kilometers per second might not sound like much. In cosmology, it has become…
Astronomers discover a mysterious duality in dark matter
A dark matter signal that appears in one place but not another might look like a contradiction. This…
Astronomers discovered the most primitive star ever
A dim red giant just out of reach of the Milky Way is providing astronomers with an incredibly…
Cassini-Huygens mission finds lopsided shift in Saturn’s magnetic bubble
Saturn’s magnetic shield does not sit where many scientists would expect. After combing through years of data from…
Pulsar Fusion’s Sunbird fusion rocket could get us to Mars in half the time
Plasma flashed inside the exhaust system, held in place by electric and magnetic fields. This scene marked a…
Pristine star reveals the dawn of stars and galaxies in the universe
The spectrum looked almost empty. That was the clue. In the faint light from a red giant star…
Gravitational waves may be responsible for dark matter in the universe
Dark matter is thought to exist everywhere, wrapping around galaxies and helping to shape the largest things in…