Total Lunar Eclipse 2025 will turn the Moon blood red on March 13-14, offering a spectacular celestial display visible across ...

The only lunar eclipse visible in the U.S. in 2025 happens Thursday. Here's what to know about this celestial event and when to see it.

is a new infrared telescope that will orbit around Earth's poles every 100 minutes or so, continuously scanning the celestial sphere around our planet with a heat-sensing camera that serves a dual ...

Full moons occur when the moon is on the opposite side of Earth from the sun. Because we designate the time of actual full moon as being when the moon is 180 degrees around the celestial sphere ...

NASA's SPHEREx observatory is now in space for a two year year mission to create a 3D map of the entire celestial sky.

a projection of the Earth's own longitude lines on the celestial sphere. This alignment is also called a conjunction. New moons are invisible unless the moon passes directly in front of the sun ...

The $488 million observatory is set to launch at the end of this month on a two-year mission to map the entire celestial sky.

With Mercury joining the show, all seven of Earth’s celestial neighbors will be present at dusk this week. By Katrina Miller Astute skywatchers may have already seen the striking line of planets ...