We found big chunks of the impactor Theia.” With those five words to The New York Times, Caltech geophysicist Qian Yuan ...

An Oklahoma tech expert predicted that artificial intelligence will become so omnipresent on the planet that Earth — with a ...

TOI-6894 is roughly 240 light-years from Earth in the constellation Leo and is the smallest-known star to host a large planet ...

Many demographers thought that the global population would stabilize around mid-century. But that’s now looking increasingly ...

The Big Bang is often described as the explosive birth of the Universe – a singular moment when space, time and matter sprang ...

A quasar in one galaxy blasted another during a cosmic collision, compressing star-forming gas into tiny clumps too small to ...

Subhash Kak, an Indian-origin computer science professor at Oklahoma State University, has warned that artificial ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. Primordial helium from the ...

The longest of them — titled “Gestation Complete” — spends two whole minutes on the gestation and birth of an alien creature. Another, “Crate,” gives hints that Earth could be facing ...

More broadly, it's seen as the birth of the modern environmental movement. In later years, Earth Day expanded to become a truly global event. It now claims to have motivated action in more than ...