Based on our own experiences, we've compiled a complete list of essentials for your Alaska cruise (plus items to leave at home). Download the U.S. News Alaska Cruise Packing List pictured above to use ...

Solar cycle: The sun has a magnetic field with north and south poles similar to a bar magnet ... frequent and intense bursts of radiation and particles into space. After the flip, the star calms down ...

The Northern Lights could be seen over parts of the UK, experts say. The Met Office issued an update this afternoon, letting ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...