A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...

WASHINGTON >> Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star - one of our closest ...

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets ... is only 30 million years old — just a baby compared to our solar system's 4.6 billion ...

New connections discovered between the Sun's photosphere and CI chondrites meteorites, providing clues about the origin of materials.

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

The gas giant planets of our solar system have many moons ... Many of these moons are rocks only a few miles across — small compared with our moon, which is 2,159 miles across.

Viewed from above the solar system, the seven planets will ... neighbors will be visible in morning skies. Only a handful of the planets can be seen with the unaided eye, and the best evening ...