Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Ancient meteorite reveals a protoplanet formed in the outer Solar System earlier than thought, reshaping planet formation ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

Unlike rocky planets where asteroid impacts leave visible craters, gas giants like Saturn have outer layers of hydrogen and ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

Astronomers have discovered thousands of exoplanets, some in the so-called habitable zone, Does that mean these planets could ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

One of humanity's most incessant searches in recent times is for evidence of extraterrestrial life, or, in other words, the ...

A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions ...

It has been suggested that the most likely planet in our solar system for humans to try to terra-form (make Earth-like) is ...

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