For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

The moon and two planets will align on Friday, April 25 to form a celestial "smiley face". Here's when Tennesseans need to ...

The crescent moon will be the centerpiece of April's final astronomical event as it bunches up with Venus, Saturn and Mercury ...

Learn about the solar system from a pair of real space museum curators in sci-fi game Elite Dangerous, as Abbie MacKinnon and ...

"The successful operation of ELVIS in the demanding conditions of space not only paves the way for its use in off-Earth ...

A stellar occultation this month gave scientists an opportunity to scrutinize the seventh planet from the Sun.

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Explore the hypothetical existence of parallel planetary systems.

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

The James Webb Space Telescope has captured amazing new imagery of Uranus along with its rings and moons. The footage shows ...