A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access the inner planets. Now the results are in, and we can do interesting ...

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek Space:1999 free-floating planets, As J.R.R. Tolkien wrote in The Fellowship of the ...

Some peas-in-a-pod systems also have outer planets like our solar system. Deciding on a rule to designate inner and outer regions wasn’t easy, but the team classified outer planets as those that ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

Uranus, the mysterious ice giant, has 27 known moons, each named after literary characters from Shakespeare and Alexander ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than just dazzling streaks of light as meteors, these ancient fragments are among ...

The world of Sailor Moon does not just relate to our own solar system, but the many unknown planets from the original story and beyond.

"Our hope with this kind of research is to understand our own solar system, life ... the telescope would also allow us to access the inner planets," Rémi Soummer of the Space Telescope Science ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI ... meaning that for every three orbits of the inner planet, the outer planet completes almost exactly two.