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

Earth has entered a dangerous new phase of climate change as scientists warn that the planet has entered a "danger zone" ...

This is peculiar, but it is not the first marshmallow planet discovered. Others have sported this extreme low density. What's ...

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

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

This is what’s known as the "Purple Earth Hypothesis", an idea first proposed by Professor Shiladitya DasSarma, molecular ...

Dr. Emily Fischer and what’s really up with internal combustion. Here's an episode we've been wanting to do since day one, ...

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

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

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 ...

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 ...

On Monday (Oct. 6), the nonprofit Planetary Society held a "day of action" to urge Congress to restore NASA's science funding ...