The milestone comes about during a time of uncertainty for NASA due to Trump's effort to reduce the agency's science budget ...

This galaxy formed just 930 million years after the Big Bang, offering a rare glimpse into the universe's early years.

The Perseid meteor shower takes place each year as Earth travels through the debris shed by comet 109P/Swift-Tuttle.

Astronomy and space sciences have mostly avoided the fraudulent practices of paper mills and predatory journals, but that ...

A sturdy scientific tool for kids, we put the Smithsonian Planetarium Projector to the test in our in-depth review.

Acheron Fossae is filled with dramatic landscape features — most notably, its namesake fossae, or fault-like channels that criss-cross the surface. Here, the land is split into raised ridges known as ...

A final "gee-whiz" fact you can reveal to your friends is that what you are seeing in Monday's sky is an illusion of ...