For the first time ever, scientists create particles out of empty space
The universe looks like it is mostly empty space. Remove the stars, planets, dust, and gas, and what…
‘Bathtub Ring’ points to vast ancient ocean on Mars
Mars may have once held a vast ocean across its northern lowlands, and the clearest clue may not…
Cosmic simulations reveal how galaxies formed and evolved over billions of years
Cold gas does not look dramatic at first glance. Neither does dust. Yet those two quiet ingredients sit…
Mississippi State physicist creates neutron star reaction in the lab
For years, physicists have wondered whether one unstable form of copper might act like a traffic jam inside…
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…
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.…
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…
Light can travel for billions of years yet experience no time
A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time…
Groundbreaking new theory rewrites quantum view of the Big Bang
A Gravity Theory That Could Rewrite the Universe’s First Moments The first fraction of a second after the…
Four-legged robots look to speed up Mars and Moon exploration
The slowest part of a Mars mission is often not the driving, it is the waiting. A rover…
America’s nuclear spacecraft is heading to Mars, and it’s bringing helicopters
For decades, nuclear propulsion has been a fixture of aerospace engineering proposals and government studies, always promising, never…