WASHINGTON (AP) — As the fate of TikTok hangs in the balance, U.S. TikTok users are flocking to the Chinese social media app ...

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

The runway is likely built by the United Arab Emirates, which has long been suspected of expanding its military presence in ...

They may resemble kidney beans, but formations on the northern hemisphere of Mars are actually sand dunes covered in carbon ...

In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

New images have revealed an airstrip being build on a Yemeni island; it could have major ramifications for the region's stability.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA's Chandra X ...

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...