Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods and warm "greenhouse" states.

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational pull serves as a stabilizing force for our home’s orbit, tilt and position from the sun. Without it, life could potentially have been a lot different from what we know today.

The far-flung “Project Anchor” conspiracy theory claims that NASA is preparing for Earth to “lose” gravity on August 12, 2026, is circulating on social media.

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving coronal mass ejection (CME) directly toward Earth. That CME has now arrived, triggering severe (G4) geomagnetic storm conditions far earlier than initially forecast.

New research suggests that the Earth's solid inner core is softer and more dynamic than previously thought, changing ideas.

With a synchronized tap from run-of-the-mill hammers on metal plates resting on the ground, researchers kneeling in nine fields across four continents believe they’ve hit upon more than just the earth beneath their feet.

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing their thick atmospheres.