I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

For most of human history, the Milky Way has been a hazy band of light, a backdrop rather than a map. Now, by reading the ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Our solar system is on the move, traveling at 828,000 km/h through a galactic structure most people don't know exists. This ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

From a digital vantage point in orbit, scientists have mapped every building on Earth—2.75 billion structures, all in 3D.