A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a ...

The risk of a cosmic body striking the Earth—or exploding in the atmosphere—may be higher in 2032 and 2036, researchers have ...

Spacecraft have revealed that the comet—which one scientist suggests could be an alien spacecraft—is now "distinctly bluer ...

These young-star outbursts likely have tremendous power to strip away or alter the atmospheres of nearby planets. Until now, scientists could only measure the cooler parts of these stellar explosions, ...

Discover why the ocean appears blue — from light absorption and scattering to depth, sunlight, and marine factors that create ...

Blue Origin's New Glenn rocket is on its launch pad at Cape ... It consists of two satellites which will orbit the red planet ...

Earth is set to host a rare visitor, interstellar comet 3I/ATLAS, on October 29, 2025. Discovered in July 2025, this ...

Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...

Down here on Earth we don't usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are ...

It’s a cosmic puzzle piece that doesn’t seem to belong to any known set. We all know the Moon has a side that always faces away from us, but it turns out that far side might be hiding something ...

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...