No need to freak out—only one asteroid is big enough to be considered hazardous, and it’s staying millions of miles away.

Human-built megastructures could actually be slowing down Earth's rotation. Here's everything you need to know.

The entire world’s population of Przewalski’s horses once dwindled to a mere dozen. So how did a pair named Fiona and Shrek ...

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

Cataclysmic cosmic collisions may have benefited the evolution of primitive organisms early in Earth's history, a study says.

A huge meteorite first discovered in 2014 caused a tsunami bigger than any in known human history and boiled the oceans, ...

These people are rebuilding homes lost to wildfires in the western US – only this time they are using a material that they ...

We all know cacti store water—but to survive, they migrate their flowers, and so much more. Scientists want to copy the ...

Every now and again, though, something larger gets drawn into Earth's gravitational field — and when this happens, it usually ...

The oriental hornet shows no ill effects – or behavioural changes – when it spends a week drinking an 80 per cent alcohol ...

With the help of advanced imaging cameras and software, astronomers are finally able to track even smaller incoming impactors ...

A recent SpaceX Starlink launch featured an extra video treat: a view of the Internet satellites being revealed for future ...