A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

A distant, icy world has just been added to our solar system’s official roster, and its strange orbit might challenge one of ...

Perseverance has so far found a rock, dubbed Cheyava Falls, which is the strongest evidence of something possibly modified by life. It is the weakest possibility of life signal on NASA’s CoLD scale, ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...