It's highly unlikely life started organically on Earth, one expert suggests. But an extraterrestrial intervention might explain how we got here.

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

A new study by physicists predicts that the universe could one day collapse in a reverse Big Bang, offering fresh insight into how it might all end.