The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Explore the discovery of Kepler-139f, a super-Earth exoplanet 36 times Earth's mass, orbiting its star every 355 days. Learn ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiralling towards its star in a cosmic death dance ...

Jupiter's auroras, though, put Earth's to shame. Not only are the auroras on Jupiter gigantic, they are hundreds of times more energetic than those in Earth’s atmosphere, according to NASA.

Now, almost exactly a year since one of Earth’s most impressive light shows, researchers have released brilliant new images of Jupiter’s auroras, captured by the James Webb Space Telescope ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

The mission aims to collect samples from the near-Earth asteroid 2016 HO3 and explore the main-belt comet 311P.

Millions of asteroids, not a planet, exist in the asteroid belt between Mars and Jupiter. If all asteroids combined, their mass would be only 4% of the Moon's mass.