Addressing more than 150 Maui residents, U.S. Air Force Lt. Col. Douglas Thornton spoke Tuesday about a plan to build as many ...

The James Webb Space Telescope captured imagery of dynamic star-forming region NCG 346 within the Small Magellanic Cloud (SMC). Credit: ESA/Webb, NASA, CSA, ESO, ESA/Hubble, Digitized Sky Survey 2, A.

The James Webb Space Telescope captured massive galaxy cluster RX J2129. located about 3.2 billion light-years away. A ‘supernova-hosting galaxy’ can be seen three times, at 3 different points in time ...

The upturned sickle-shape of the 18%-lit moon will appear 40 degrees above the horizon as the sun sets, with a string of bright "evening stars" representing Venus, Mercury and Saturn arrayed beneath, ...

From nocturnal wildlife safaris to stargazing train rides, this dark sky expert shares her top astrotourism experiences around the world.

In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory.

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

The famous Great Telescope, a Lunar Heat Machine, the Historic Science Centre, a playground for all to enjoy, lush gardens, ...

A comet whizzing through the Solar System has astonished scientists by doing something they had never seen before. In early ...

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

These regions all promise silence, solitude and stark minimalist beauty, but they have sharply distinct personalities ...