Earth's core cannot be made just of iron — it also appears to contain carbon. And our research suggests it may contain a bit of oxygen and possibly silicon as well. When you purchase through links on ...

As early as 2024, scientists from the US and China discovered that the Earth’s core had slowed down and even stopped moving in relation to the Earth’s crust. But until now, the general public—that’s ...

Van Allen radiation hinders and complicates spaceflight, magnetic instruments, and more.

While it was not born the way Earth’s moon was, another celestial body is being deemed by scientists as Earth’s second moon or “mini-moon.” Echoing Ben Kenobi, one famous popularizer of science ...

Has Earth acquired a second moon? Not exactly. Astronomers recently discovered a new quasi-moon. This asteroid with a diameter of 50 feet will be accompanying Earth as it orbits the Sun for the next ...

NASA has confirmed a small asteroid named 2025 PN7 is a quasi-moon of Earth. The space rock orbits the sun at a similar pace to Earth, making it appear to follow our planet. This quasi-moon is ...

A globe was the first thing I ever bought with my own money. I was maybe 5 years old, and I was really excited to take it home. As I quickly discovered, you can spin it in the direction that the earth ...