Asteroid 2025 SC79 is the size of a skyscraper and moves around the solar system at a record-breaking speed. Astronomers ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

Scientists explain that quasi-moons like PN7 share the same orbital period as Earth, circling the Sun in roughly one year, ...

It's been our constant celestial companion for the last 4.5 billion years. But the moon is no longer the only cosmic body ...

TWO comets will blaze across the night sky this week – before disappearing for hundreds of years. It’ll be your only chance ...

Voyager 1 is going to achieve another monumental feat in a few weeks -- it will be the first spacecraft to travel a light day ...

The metal-coated asteroid Psyche may have had eruptions of molten iron and nickel on its surface. This situation was more ...

Earth has a near miss—twice—after two small asteroids seemingly passed alarmingly close to the planet, less than two days apart, one of them going completely unnoticed until hours after it had already ...