"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

The solar system is portrayed as a dynamic, gossip-fueled family, with each planet offering snide comments about one another, ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... Nov. 26, 2024 — Dark ovals in Jupiter's polar haze, visible only at UV wavelengths ...