Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

Mars, Venus, Jupiter, Saturn and Mercury will shine bright enough for the naked eye to see, and you can catch glimpses of Uranus and Neptune with binoculars or a telescope.

A breathtaking photo of Earth was taken by a safety camera aboard the U.S. Space Force's mysterious space plane as it ...

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

While the U.S. Space Force, and its previous operator the U.S. Air Force, have been tightlipped about what the space plane ...

The military keeps in-flight details on the X-37B relatively quiet. A new photo gives the first look at what the view is from ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

A recent study has unveiled how chemical elements and powerful winds shape the atmosphere of a planet far beyond our solar system.

For the first time, scientists have developed a 3D map of an atmosphere belonging to a planet outside our solar system.

London is seen from the ISS via Sen’s onboard 4k cameras. (Credit: Sen) ...

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.