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

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

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

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.

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

Jeremy Irons, Vanessa Redgrave and Michael York have joined the voice cast of 3D animated family sci-fi adventure “The ...

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

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

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

Strong revenue growth, new openings, and reiterated 2025 guidance highlight long-term Planet Fitness, Inc. upside. Click for ...