This image represents ten total hours of observation and was captured from the Dark Sky Alqueva observatory in Portugal.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

These rugged, all-weather Celestron binoculars are perfect for wide-field stargazing and wildlife watching, and now they're ...