American Leroy Chiao, who was the 196th NASA astronaut to fly in space and the 311th human in space, served on multiple ...

Sharpless 2-106 is a nebula several light-years across, seen here by Hubble in 2011. It lies 2,000 light-years away, in a ...

From 'Jack Frost' and 'Arthur Christmas' to 'Fishmas!' and 'Klaus,' make Christmas movie night merrier with this roundup of ...

Back when the stars in our universe were initially being formed, they created rotating disks of dust and gas known as ...

It’s widely believed that Earth’s moon is 4.35 billion years old, an estimated age based on lunar samples brought back to ...

Scientists have proposed a radical theory to explain the expansion of the universe which could solve the mystery of dark ...

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

It's a cosmic Christmas! NASA just released new images of a nearby star cluster that resembles a wreath and another that ...

The sun was once personified as a god, a symbol of a perfect cosmos. The occasional detection of dark blemishes was ...

This image from the James Webb Space Telescope features a bright H II region in the Large Magellanic Cloud, a satellite ...

Astronomers have discovered the first-ever binary star system, D9, orbiting the Milky Way's central black hole, Sagittarius A*. This finding, based on observations from the Very Large Telescope, ...

A giant star 150 times bigger than the Sun has been pictured 'hiccuping' by scientists. Despite being predicted in theory, ...