Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

Mercury takes only 88 Earth days to orbit the sun.

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and Saturn ...