Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles. Dec. 17 (UPI) -- Billionaire entrepreneur and private astronaut Jared Isaacman ...

Also: A surprising connection between whale calls and special relativity, tiny sound-powered drones, and more.

A lone signal from an experiment in South Dakota doesn’t fit the profile of any other known particles, physicists say.

The Ig Nobel Prizes were awarded this week for humorous yet thought-provoking research. This year, the ceremony came with a ...

The Art of Extinct Species” is now on display with more than 50 works by 34 artists who have painted, photographed, sketched ...