A new NASA space observatory is scheduled to launch into orbit this week on a lofty mission to map more than 450 million ...

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

Most of them flare just once, randomly, making them impossible to predict, and very difficult to trace back to a source. Some ...

Scientists have used the wobble of the Milky Way and what are known as "cosmic lighthouses" to shine a light on the mystery ...

"By putting together the individual results, like in a puzzle, we reconstruct the formation history of these systems." ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Dark matter, though invisible, weaves a vast cosmic web that binds galaxies together. For the first time, astronomers have ...

The cosmos is riddled with evidence that the universe began with an exotic, unfathomably rapid expansion, but scientists ...

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope ...

GT: Some say that the focus of China-US competition in the future will be technology. You once said that the AI development ...