Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system - only the third ever spotted, though scientists suspect many more may slip past unnoticed.
Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist.
The world's most advanced AI models are exhibiting troubling new behaviors – lying, scheming, and even threatening their creators to achieve their goals.
Real world measurements of how much extra heat the Earth is trapping are well beyond most climate models. That's a real problem.
An ancient society near the southern shores of Lake Titicaca in modern-day Bolivia was once one of the continent's most powerful civilizations. Known as Tiwanaku, the ancient society is one of the earliest examples of civilization in the Andes.
As part of NASA’s efforts to expand access to space, four private astronauts are in orbit following the successful launch of the fourth all private astronaut mission to the International Space Station.
On June 20, 2025, Austrian researchers have discovered a dark-matter galaxy candidate in a cluster of galaxies some 240 million light-years away.
JWST has discovered and directly imaged its first exoplanet. It’s the first one Webb has found that other telescopes hadn’t previously found.
Within a tiny plankton, an even smaller cell has been found living an unexpectedly virus-like existence, challenging what it means to be alive.
Research led by UK scientists has uncovered evidence of rhythmic surges of molten mantle rock rising from deep within the Earth beneath Africa.
Astronomers have detected the smallest and most solar system-like planet ever directly imaged around another star.
An observatory in Chile with the world's largest camera has published first images of star nurseries and galaxies. The Vera Rubin Observatory can detect even tiny changes in the sky, making it an ideal asteroid spotter.
A team of astronomers has made a groundbreaking discovery by detecting molecular activity in comet C/2014 UN271 (Bernardinelli-Bernstein)—the largest and second most distantly active comet ever observed from the Oort Cloud.
A new research suggests that a shift in the Earth's magnetic poles around 41,000 years ago, known as the Laschamp event, may have contributed to the extinction of Neanderthals.
A NASA mission to observe the activity of the solar wind has returned its first images of giant coronal mass ejections (CMEs) billowing out from the Sun.
