Keeping Earth safe from asteroids isn’t just spotting them – it’s also helping people understand what a high-impact probability with Earth means.

I was preparing for my early morning class back in January 2025 when I received a notice regarding an asteroid called 2024 YR4. It said the probability it could hit Earth was unusually high.

Was 2020’s ‘Don’t Look Up’ accurate? Find out what NASA revealed about an asteroid that will approach Earth in 2032.

Scientists have revived the theory that short-period comets could have played a crucial role in filling Earth's oceans with water.

Comet 67P's water has the same molecular signature as Earth's oceans, suggesting it may have contributed to Earth's water supply.

New NASA research indicates that comet impacts may have contributed significantly to Earth's water supply.

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until ...

A comet that hasn't visited Earth for 80,000 years is coming back this month. Here's what to know about its travels and how to see it.

Space & Spaceflight Most Near-Earth Objects Could Be ‘Dark Comets,’ Neither Comets Nor Asteroids The mysterious objects may be far more common than we thought and may have brought water to Earth.

A new study has raised warnings about "dark comets" which are hard to detect and could pose a terrible threat to Earth.

Dark comets, which are cross between an asteroid and comet, can make up as much as 60 percent of near-Earth objects.

An unusual horned comet, nicknamed the “devil comet,” will make its closest approach of Earth on Sunday. Observers in the Southern Hemisphere may glimpse it.