Where will 3I/ATLAS be on October 29? The interstellar comet 3I/ATLAS will reach its closest point to the Sun at 1.4 au. It ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed in the first million years after the Sun was born. Others, including the ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

NASA confirms the interstellar object 3I/ATLAS poses no threat to Earth, despite viral speculation. Scientists and the UN are ...

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

From impossible metals to defiant physics, this interstellar visitor has turned the scientific community on its head, leaving ...

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ?

A cosmic coincidence could give us an unprecedented look at a visitor from another solar system. If all goes well.

A UN-endorsed group focused on planetary defense has locked onto 3I/ATLAS as the mysterious interstellar visitor fuels alien ...

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...

Solar electricity is growing rapidly, but can it really dominate the global energy system? Here is what it will take for us ...