By ignoring part of his own experiment, a physicist coaxed time to emerge from within a closed quantum system.

Earth’s history has been shaped by five mass extinctions—catastrophic periods when life changed so dramatically that entire ...

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Earth’s aphelion on July 6 puts it farthest from the sun in 2026, but summer heat comes from Earth’s tilt, long days and ...

The question of how gravity interacts with the quantum world has long perplexed physicists, but a non-quantum theory of space ...

The moon that rose on July 4, 1776, was slightly closer to Earth than it is today. When you purchase through links on our ...

Thanks to a speed-up of Earth's rotation, the length of the astronomical day and the length of the clock day aren't quite ...

Want to take the quickest trip you’ve ever taken around the Earth?

Earth's worst mass extinctions occurred when environmental change outpaced evolution, revealing a pattern spanning 450 ...