When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

Researchers in Germany have now directly observed this wobble with the highest precision yet thanks to a large ring laser gyroscope they developed for this purpose. The instrument, which is located in ...

Chrysalis, a 36-mile rotating space habitat, plans to take 2,400 people to Alpha Centauri in approximately 400 years.

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...