The UN has activated planetary defense protocols for the first time to better determine the orbit, size, and threat posed by 2024 YR4, a rock discovered on December 27 that has a 1.6% chance of ...

The observable universe is about 93 billion light-years in diameter.” This can be explained as the distance from the Earth to ...

CQ, about the size of a 15-story building, is expected to pass near Earth on February 5, 2025. Measuring 150 feet in width, ...

CQ, a 150-foot Apollo-class space rock, will fly past Earth tomorrow, February 5, at 60,898 kilometres per hour.

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

Abundance of Earth-like Exoplanets The universe has no shortage of similarities to Earth when it comes to celestial ...

More than a decade of data about the particles zipping around our sun can solve mysteries from the behaviour of individual ...

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

Watch the full episode: <a href=" the largest star that we've ever discovered. And if it were to replace our Sun, it would change a lot more than just the amount of sunscreen you'd have to put on.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...