The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have ...

The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to ...

Pluto is a tiny icy world way out at the edge of our solar system. In 1930, an American astronomer named Clyde Tombaugh ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

The sun is an incomprehensibly gigantic, constantly roiling nuclear furnace—but some days are even busier than others. Based ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Katrin Raynor reveals how Ingenuity’s triumph on Mars opened up a bold new era of flight on other worlds ...

"WISPIT 2 is the best look into our own past that we have to date." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have observed two ...

NASA unveiled a new telescope on Tuesday to scan vast swathes of the universe for planets outside our solar system and probe ...

Opterus’ lightweight structural system will deploy and shape the largest solar sail ever flown, converting three SBIR phases into a mission-critical flight system. Opterus has received a $10.2 million ...