The answer is a gigantic “hydraulic jump,” and researchers believe similar phenomena may occur on planets like Mars.

Venus Williams was eliminated in the first round by Johanna Konta. (USATSI) After making a run to the quarterfinals at the 2015 U.S. Open, No. 8 Venus Williams has been knocked out of the 2016 ...

American veteran Venus Williams says she would like to compete at the 2016 Rio Olympics. The 32-year-old and her sister Serena, 31, won the 2012 doubles gold in London. Serena, who won the singles ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. Like Venus this month, Mars seems to hold steady, emerging ...

The Sun's activity is determined by the Sun's magnetic field. Two combined effects are responsible for the latter: The omega and the alpha effect. Exactly where and how the alpha effect originates is ...