The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

As the third known interstellar object in history, 3I/ATLAS has astronomers and the internet on edge. Is it just a comet from another star system, or something stranger, as Harvard's Avi Loeb hints?

An interstellar object called 3I/ATLAS has just passed our sun. Despite online rumours that it’s an alien spaceship, experts say it’s definitely a comet.

I/ATLAS has reached its closest point to the sun, marking the moment where scientists say it should either break up like a ...

The heliosphere was first theorised by multiple scientists investigating the concept of cosmic rays and the solar wind in the late 1950s, according to NASA. They believed the sun provided a web of ...

NASA and the International Asteroid Warning Network have launched a global campaign to track comet 3I/ATLAS and strengthen ...

A comet known as 3I/ATLAS made news in July when it was confirmed to have originated outside Earth's solar system. One infamous theory even posited that the interstellar interloper, estimated to be ...

For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

The Carrington Event, as it was later called, revealed that the sun's environment could violently change. It also suggested ...

A solar eclipse is what occurs when the moon comes in between the sun and the Earth, and a partial eclipse is what happens when that alignment is imperfect. The moon will only partly cover the sun, ...