We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Using ESA's XMM-Newton satellite and NASA's Chandra X-ray observatory, astronomers have observed a young stellar object known ...

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long ...

Boeing notified employees it is planning to issue layoff notices "to align with revisions to the Artemis program and cost expectations." ...

Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright flares ...

Scientists didn't expect that stars would be able to still form in the dwarf galaxy known as Leo P, which the James Webb Telescope recently imaged.

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

In the Milky Way's central bulge, about 24,000 light-years from Earth, a peculiar pair of objects appears to be hurtling ...

Today: On Feb. 18, 1930, Clyde Tombaugh discovered Pluto, at that time classified as the ninth planet.

There’s really no reason you can’t use binoculars to look into space – and in fact astronomers have been working on doing so ...

Witness the breathtaking beauty of a giant stellar nursery where countless stars ignite amidst swirling cosmic clouds.