For centuries, scientists have tried to measure the speed of light directly and failed every single time. Light moves so fast that no instrument we’ve built can catch it in the act. Instead, we rely ...

When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...

New details from the Webb telescope indicate there might be a fundamental problem with our understanding of the universe. The spiral galaxy NGC 4258, imaged by the Hubble Space Telescope, measures ...

Meteors from the Ursids appear near the Little Dipper, which is part of the constellation Ursa Minor. Only skywatchers in the ...

See Jupiter shining like the “Christmas Star” and catch a glimpse of the ISS — aka “Santa’s Sleigh” — in the early morning ...

Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just ...

In recent years, heat has stopped being just a number on a thermometer and has become something we can literally see at the atomic scale. In 2025, an ...

Although the Ursids are active from Dec. 13 through Dec. 26, the peak night coincides with the winter solstice, which occurs at 10:03 a.m. EST on Dec. 21. Though the two events are totally unrelated, ...

Usama has a passion for video games and a talent for capturing their magic in writing. He brings games to life with his words, and he's been fascinated by games for as long as he's had a joystick in ...

Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.

ICFO researchers have set a new record by generating the shortest soft X-ray pulse to date –just 19.2 attoseconds long. This ...