NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

When and where will the total lunar eclipse be visible? We show who will have the best views and when you should watch.

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

This month's full moon was due to pass through the shadow of Earth either late Thursday night or very early Friday morning, depending on the viewer's time zone. It was visible to people in the ...

Viewed from above the solar system, the seven planets will fall within Earth’s line of sight at sunset, and will not be obscured by the sun. Whenever planets are visible in the night sky ...

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

NASA astronauts Sunita Williams and Butch Wilmore are set to return to Earth after a nine-month stay at the ISS. Their ...

A total lunar eclipse will make the moon appear red across the Western Hemisphere during the "Blood Worm Moon" this week.

The $488 million Spherex mission aims to explain how galaxies formed and evolved over billions of years, and how the universe ...

Dave Ramsey warns Americans on Social Security, Roth IRA, 401 (k) The iconic road in your state that everyone should drive ...

Exactly two weeks after the "blood moon" total lunar eclipse comes a partial solar eclipse visible to some in North America.