Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists who just ...

Feb. 10, 2025 — Earth's inner core is undergoing structural transformation. Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core.

2024 YR4 follows a highly elliptical, four-year orbit, swinging through the inner planets before shooting past Mars and out toward Jupiter. For now, it's zooming away from Earth, and its next ...

So Superman seeks out experts from another universe who have saved Earth from Galactus in the past: the Fantastic Four. When Superman meets with Reed Richards (Mister Fantastic), Sue Richards (the ...

The asteroid 99942 Apophis, discovered in 2004 and larger than the Eiffel Tower, was once rated a 4 on the Turin Scale. However, researchers later determined it posed no threat to Earth for at least ...

Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history, climate ...

Measuring around 200 feet wide, YR4 could cause significant devastation if it were to collide with Earth. Scientists estimate that such an impact could flatten an area of approximately 800 square ...

A step-by-step guide to help you fill out a W-4 Nora Carol Photography / Getty Images You're about to begin that much-needed, new job and your employer hands you an IRS Form W-4 to fill out and ...