The Sun is constantly spewing solar wind, a stream of charged particles, into interplanetary space. Occasionally, it bursts ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

Have you ever wondered how far Jupiter is from Mars or Venus from Earth? Our handy calculator makes it easy to find out! All distances are average and ...

Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.

Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only ...