Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets, and ...

COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...

The comet is described as a spinning mass of ice, rock and dust, hurtling through space on a path that thankfully poses no threat to Earth. At its closest point, 3 Eye Atlas will remain approximately ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.