A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record ...

The growth spurt hints that the free-floating object evolves like a star, providing clues about rogue planets’ mysterious origins.

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Tiny crystals in Earth’s crust may have recorded meteorite and comet impacts as our planet traveled through the spiral arms ...

Astronomers have uncovered a runaway feeding frenzy in a rogue planet drifting freely through space, devouring six billion ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

Explore the fascinating worlds of Planetary Science and Geophysics, uncovering mysteries of the cosmos and Earth's processes.

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Planetary Society CEO Bill Nye spoke at a "Save NASA Science" press conference on the steps of the U.S. Capitol building in ...

Billionaire and Microsoft co-founder Bill Gates argued that science and innovation are the keys to saving the planet ...