Add Yahoo as a preferred source to see more of our stories on Google. Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by ...

Astronomers have discovered the first example of a second-generation planet orbiting a white dwarf, a world that appears to have formed from the remains of the dead star it now orbits. A team of ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Jupiter is old. Like 4.5 billion years old. It started as a swirling disk of gas and dust that formed into a pretty big planetary core. With time, Jupiter’s core grew, attracting more and more rock, ...

A dead star’s wreckage may be the birthplace of a new planet. The existence of second-generation planets was predicted theoretically more than 15 years ago. But this “phoenix” world, if confirmed, ...

Astronomers say they have directly detected the first-ever radio emission from a planet outside the solar system. The signal, however, is evidence of a colossal magnetic field — not intelligent life. ...

If you’re a fan of the cult animated series, there are plenty of easter eggs to find by using the Gravity Falls website codes. This summer a mysterious website appeared with a blank computer to input ...

Planetary sciences is an interdisciplinary field that investigates the formation, evolution, and current state of planets, moons, and smaller bodies within and beyond our Solar System using the ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field known outside our solar system. By Jonathan O’Callaghan Radio waves ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable. By Natalie Wolchover Natalie Wolchover is a Pulitzer Prize-winning science journalist ...

Space exploration just leveled up. NASA’s Roman Telescope — formally named the Nancy Grace Roman Space Telescope — is poised to become one of the most powerful observatories ever launched into space.