Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

For nearly a billion years, Earth’s rotation stopped slowing down. Locked in a rare cosmic balance, the planet’s day remained ...

In a discovery that reads like science fiction, scientists have confirmed that human radio transmissions have formed an ...

Particles that escaped Earth’s atmosphere accumulated on the lunar surface over billions of years. Here’s what you’ll learn ...

Loeb recalled that on December 19, 2025, 3I/ATLAS made its closest approach to Earth at a distance of 269 million kilometers, ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

Research evaluates the likelihood of debris from interstellar object 3I/ATLAS reaching Earth, analyzing gas, dust and larger ...

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

The new dataset, published in Earth System Science Data by 16 scientists, shows a significantly cooler Earth from the late ...

NASA is also tracking a building-sized asteroid named “2025 YC3”, with a diameter of around 260 feet, and another bus-sized one known as “2025 XT7,” some 42 feet across. Both are expected to come with ...