Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into…

NASA has finally peered into the heart of a white dwarf system in a way astronomers have been chasing for…

Stand on solid ground and it feels obvious that “down” points toward the center of the planet and “up” leads…

Comet 3I/ATLAS is only the third known object to barrel into our neighborhood from interstellar space, and it is already…

Across the sky, brief and violent flashes of energy are arriving from far beyond the Milky Way, each one lasting…

A brief, ten second flash from the distant universe has just become one of the most intriguing signals humanity has…

Across the sky, astronomers are stitching together vast samples of galaxies to understand how often supermassive black holes flare, feed,…

A dead star in our galactic neighborhood has produced a shimmering, ringed structure that looks uncannily like a cosmic rainbow,…

NASA’s asteroid trackers have just watched a school‑bus‑sized space rock make a safe, distant pass by our planet, part of…

For decades, the idea of people living on Mars has felt like a distant fantasy, limited by the brutal cost…