IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Previous examinations using ground-based tools as well as the Hubble and Spitzer space telescopes indicated SIMP 0136 was ...

Astronaut and Jupiter mom Kellie Gerardi is training for her second trip to space in 2026. Here's how it compares with her first voyage in 2023.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Kellie Gerardi of Jupiter, is her own kind of astronaut, one who marries science and sparkle and who wants to show other girls the way to the stars.

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar ...

March's skywatching includes a total lunar eclipse, a partial solar eclipse, planet sightings, and zodiacal light beaming ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...