WASHINGTON (AP) — Astronomers have found three previously unknown moons in our solar system — two additional moons circling Neptune and one around Uranus. The distant tiny moons were spotted using ...

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

The five-part series premieres Wednesday, September 17, at 9pm ET/8C on PBS, and will also be available for streaming at pbs.org/nova, NOVA on YouTube, and the PBS ...

Earth montage—created from photographs taken by the Visible/Infrared Imager Radiometer Suite (VIIRS) instrument aboard the Suomi NPP satellite North Atlantic right whales are among the planet’s most ...

Many readers may remember watching "NOVA" in middle school or high school science classes, and some of us haven't seen it since -- which is a missed opportunity for both science fans and history buffs ...

In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that's a deep azure color. But in reality, Neptune is far more of a ...

Researchers have shared a radical new idea for how to put a spacecraft in orbit around Neptune: Use the thin atmosphere of Triton, Neptune's largest moon, to capture it. When you purchase through ...

The Solar System does not have a clear border. The influence of the Sun in certain domains is small enough for the Voyager probes to have escaped into interstellar space, but there are comets and ...