A 2,300-foot space rock hidden near the Sun has renewed global concern about so-called killer asteroids, a class of near-Earth objects astronomers struggle to detect due to the Sun’s overpowering glare. The newly identified object,...

Perseverance discovers an unusual sculpted rock NASA’s Perseverance rover has stumbled upon a mysterious, unusually shaped rock on Mars that appears to have originated from far beyond the Red Planet. The object, roughly 31 inches...

TL;DR In 2019, claims that NASA astronaut Anne McClain committed the “first crime in space” went viral. Years later, the accuser, her estranged spouse, Summer Worden, has admitted she lied. The fabricated allegation, born out...

For more than a century, the dream of interstellar travel has been tethered to one unforgiving reality: fuel. Every spacecraft in history has relied on propellant to escape Earth’s gravity and navigate the cosmos. But...

China’s Shenzhou-20 astronauts, Commander Chen Dong, Chen Zhongrui, and Wang Jie, were set to return to Earth this week after a six-month mission aboard the Tiangong space station. Their homecoming was abruptly postponed after suspected...

What happened when two asteroids hit the Moon? In an extraordinary cosmic coincidence, two separate asteroids slammed into the Moon within just two days of each other, on October 30 and November 1, 2025. The...

What is 3I/ATLAS, and why are scientists intrigued The interstellar object 3I/ATLAS—only the third known visitor from outside our solar system—has sparked new questions in the astrophysics community after NASA confirmed unexpected changes in its...

TL;DR Harvard astrophysicist Avi Loeb has once again sparked debate by suggesting that the newly discovered interstellar comet 3I/ATLAS may not be entirely natural. With its unusual composition, trajectory, and structure, the object’s closest approach...

The discovery of interstellar comet 3I/ATLAS has sparked a scientific and cultural debate unlike any other, not just for what it could reveal about our universe, but also for who’s asking the questions. After a...

TL;DR Astronomers studying interstellar comet 3I/ATLAS have found it releasing large amounts of water far from the Sun, a behavior not seen before at such distances. The discovery, made using NASA’s Neil Gehrels Swift Observatory,...