We know the Earth’s inner core is largely solid, which sets a ceiling on its temperature, and in turn, how much heat dark ...

The little space rock, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Tuesday (Sept. 30) at ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

For hundreds of millions of years, a top-shaped rubble pile called Bennu has orbited the sun in relative isolation. The asteroid, about a third of a mile wide at its equator, poses no immediate threat ...

If you traveled back in time 67 million years ago to ancient Montana, you’d be entering the realm of a tyrant: the iconic predator Tyrannosaurus rex. Before you venture into that lost world, though, ...

Gemini’s response included a brief description of the “6371” number, which is the Earth’s radius in kilometers. For miles, I ...

It’s classic radio jargon, referring to the six most crowded frequencies in the AM radio band: 1230, 1240, 1340, 1400, 1450 ...

Plenty of young people may find Søren Kierkegaard relatable on the basis of his biography alone. He once dug himself into debt during a personal crisis by spending too much money on books and coffee.

Microscopic parasitic worms use static electricity to pull themselves toward flying insects, turning physics into a powerful ...

Scientists are like prospectors, excavating the natural world seeking gems of knowledge about physical reality. And in the century just past, scientists have dug deep enough to discover that reality’s ...

Earth's Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...