Every year, a few thousand people deploy to live on Antarctic research stations — and go through punishing survival training ...

Two meteor showers, the Perseids and the delta Aquariids, begin this week with peak viewing in late July and August.

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

This July, skywatchers across Southern California are in for a remarkable sight as the crescent Moon and Mars converge in a ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...

Leo Carrillo isn’t just another pretty viewpoint in California’s impressive collection of state parks. It’s the kind of place ...

Mars is easiest to see when it’s closest to Earth, which happens about every two years. This event is called “opposition.” In ...

Even though summertime brings our shortest nights of the year, there are still plenty of fascinating scenes in the night sky over Connecticut over the next few months. Here's a chronological list of ...

The moon will be 99% full Friday night, and with mostly clear skies expected for Louisville in the evening, tonight is a good ...

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...