Of the three November meteor showers, Leonids should be the most active. It is fed by the Tempel-Tuttle Comet, which can produce some dense debris clouds, resulting in very strong showers. Leonids is ...

Binoculars are listed by size spec, where the first number is magnification and the second is objective lens diameter.

No, NASA didn’t confirm a second moon, but scientists did discover something else that’s been traveling with Earth for ...

Military surplus stores offer rugged, practical gear anyone can use, from flashlights to compasses, all under $50 for ...

On an Ambassador no-fly Norway fjord cruise, the sights are matched by the on-board hospitality and food, finds Martin Gray​ ...

A paleontologist explains the latest science about Troodon formosus, and whether it was really the smartest dinosaur.

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

The theoretical physicist and best-selling author finds inspiration in politics and philosophy for rethinking space and time.

Pure Amazon, an A&K Sanctuary riverboat, offers fine dining, customizable excursions within the Peruvian Amazon’s ...

On a Saturday night at Gray's Landing, across from the Portland ICE building, residents run to close doors and windows to ...

Four hours into a pitch black trudge around a ranch full of ankle-turning prairie dog holes, the search for North America’s most endangered mammal starts to feel a little hopeless. “It’s like trying ...