New research reveals that Theia, the colossal, Mars-sized impactor that collided with the Earth to birth our Moon, may have ...

New work offers fresh evidence supporting the supernova shock wave theory of our solar system’s origin. According to one longstanding theory, our Solar System’s formation was triggered by a shock wave ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

Washington, DC-- New work from Carnegie's Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar ...

It’s one of the most enduring ideas about the formation of our solar system: Earth collided with a Mars-sized object, Theia, ...

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

Recent research has unveiled a startling revelation: our solar system is moving at a velocity that is three times faster than previously anticipated. This discovery, announced on November 14, 2025, ...

Rocky fireballs like the one that fell over Alberta, Canada last year shouldn't originate from the icy Oort Cloud... but this one apparently did. When you purchase through links on our site, we may ...