Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the ...

For two decades now, the iconic twin Voyager spacecraft have been quietly overturning everything we thought we knew about the ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

Interstellar tunnel linking our Solar System to cosmic neighborhoods. Learn how supernovae and stellar winds shape our galaxy ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...

An object up to dozens of times the mass of Jupiter flying through our solar system may have disrupted planetary orbits.

Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

The asteroid belt is messy and sometimes a threat to our solar system’s planets, so on this episode of Dead Planets Society it’s time to tidy it up into a single asteroid world ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

“We wanted to determine how often our Sun produces superflares; however, the duration of direct solar observations is ...