John Casani spent more than half a century turning speculative ideas about distant worlds into working spacecraft that could survive the trip. His quiet influence at NASA’s Jet Propulsion Laboratory ...

NASA scientists have recently made a groundbreaking discovery about potential alien life within our own solar system, a finding that could have significant implications for our understanding of ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show. At the American Museum of Natural History last fall, experts were hard at work preparing ...

Streaming platforms for Secrets of the Solar System haven’t been announced yet. Check back soon for updates on where you can watch it online.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

It's been traveling through space for billions of years, not too far from Earth. But rather than fear this asteroid, scientists say they wanted to get to know it better. In 2020, a NASA spacecraft ...

MORNING’S LAUNCH. IMAP IS GOING TO STUDY THE HELIOSPHERE. THE STUDY, HOW IT INTERACTS WITH THE INTERSTELLAR MEDIUM OUTSIDE, AND GIVE US ALL KINDS OF GREAT INSIGHTS INTO HOW IT IT’S AFFECTED BY SOLAR ...