The cold and mysterious Oort cloud at the edge of our solar system may be hiding a rogue exoplanet, new research suggests.
Our solar system is filled with planets, asteroids, comets, the sun and more, making it a wealth of discoveries waiting to be found. See the latest discoveries from across our solar system here.
The core of Jupiter's ocean moon Europa might have formed billions of years after the rest of it did, if indeed it has formed at all, a new study finds.
Saturn is once again the solar system's "moon king," snatching the crown back from Jupiter after the discovery of 62 new moons. Saturn now has a whopping 145 known satellites.
The action 12,000 light-years away may presage what happens to Earth about 5 billion years from now.
The dark skies of the new moon will offer skywatchers the chance to spot Ceres tonight (March 21), as the dwarf planet reaches opposition.
Pioneering American astronomer Maria Mitchell is the star of a children's book using an ancient language she happened to know: Latin.
The James Webb Space Telescope (JWST) has dazzled us plenty already, but the best is yet to come from the observatory, mission team members say.
The vast, swirling ocean within Jupiter's moon Europa may be affecting the rotation of its icy crust, scientists say.
A study simulated what would happen if a super-Earth orbited in the middle of our solar system, and the results are chaotic.
A planet-forming disk around a distant star has revealed an abundance of water that may indicate the solar system's water is older than the sun.
NASA's Interstellar Boundary Explorer (IBEX) is back to normal operations after controllers successfully reset its computer March 2, NASA said.
Astronomers interpret the spectra of 10 well-known dark asteroids and find them to be water-rich like the dwarf planet Ceres.
NASA's Interstellar Boundary Explorer (IBEX) reset its flight computer Feb. 18 and has been unresponsive to commands ever since, agency officials said Friday (Feb. 24).
Venus and Jupiter should make for a very striking visual spectacle, no doubt attracting the attention of even those who don't give more than a casual glance at the night sky.
Jupiter now boasts the largest number of moons orbiting it after scientists discovered another 12 moons, bringing the behemoth's total up to 92.
Even as the James Webb Space Telescope is allowing astronomers to see inside vast, distant galaxies, it's also studying some tiny, nearby objects, albeit inadvertently.
Comet C/2022 E3 (ZTF) is tantalizing to spot through a telescope, but what would it look like up close?
Get your telescopes ready: Uranus will disappear behind the moon on Saturday (Jan. 28) and the event will be visible to a select few in Asia or the far north of the world.
From the nearby moon to distant Triton, planetary scientists have a plethora of ideas for how to explore our solar system.