Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

Scientists were surprised to note that 3I/ATLAS brightened much faster than they anticipated during its perihelion last week.

Scientists have detected water vapor components in the interstellar object 3I/ATLAS, a significant discovery for ...

Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

On October 29, Comet 3I/ATLAS reached its closest point to the Sun. This point, known as perihelion, was around 210 million ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

An interstellar object roughly the size of Manhattan has captured scientists’ attention — and one prominent Harvard ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...

Earth's water may contain atoms that originated from icy interstellar dust billions of years before the planet existed, according to new research. Credit: NSF / AUI / NSF NRAO / P. Vosteen / B. Saxton ...