To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

Plato, the European Space Agency's terrestrial planet hunter spacecraft, is seen after having 24 of its 26 cameras installed.

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

Explore how Earth Day 2025 spotlighted the urgent shift from fossil fuels to renewables, and why accelerating clean energy is ...

SpaceX CEO Elon Musk shares his vision for life on Mars in an exclusive interview on 'Jesse Watters Primetime.' ...

Captain Planet and the Planeteers was a beloved ’90s animated series. A lot of ’90s kids have fond memories of the cartoon, a ...

The Planet Earth and Moon in Orbit 42179 set measures 9" high, 12.5" long, and 7" wide. It's comprised of 526 pieces and is marketed for ages 10 and older. Technically speaking, this is a relatively ...