A 2017 astronaut photo shows the islands of Dek and Daga lurking in the murky, algae-infested waters of Ethiopia's Lake Tana.

Japan is a wonderful destination for a vacation. One of its best lesser-known spots to visit is this coastal gem with plenty ...

What's the longest road tunnel in the world? How about the longest snake? Okay, so what's the largest country, largest ...

The Orionid meteor shower peaked last night. If you missed the show, don’t fret — another spectacle is on its way: Comet ...

As part of the ongoing effort, a NASA-supported team recently published one of the most detailed maps yet of the seafloor.

UChicago-led study analyzes massive galaxy clusters mapped by the Dark Energy Survey, offers new way to probe cosmic laws ...

Few countries have the political stability and geography necessary for a good spaceport. Oman is often called the ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here's what it is.