For much of January and February, you have the chance to see six planets in our solar system after dark, although two — Uranus and Neptune — will be hard to see without a telescope or high-powered ...

After the recent six planet alignment, sky gazers are now in for another treat in late February when a seventh planet, ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term habitability.

Skywatchers can spot Venus, Saturn, Jupiter and Mars in the night sky with the naked eye, but two other planets might need a ...