Mercury takes only 88 Earth days to orbit the sun.

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

NASA's James Webb Space Telescope has been used to shed new light on the exoplanet, GJ 1214 b, which is more than eight times ...

You'll be able to easily see four planets in the February evening sky ... After attaining opposition with the sun last month, Mars is now moving away from Earth and consequently is now gradually ...

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

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

Scientists Suggest That Mars Was Warm and Held Water Billions of Years Ago, Much More Like Earth in the Past Researchers have ...

That is a little over 3% of the average sun-Earth distance. The effect of this seasonal variation on the planet's climate is negligible; Earth's seasons are dictated by the tilt of Earth's axis ...