Historically, the North and South magnetic poles have flipped every 200,000 to 300,000 years.
01 Feb 2018 10:09 AM
Fifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies.
24 Sep 2017 9:25 AM
This was the third scheduled launch attempt for NASA's 2017 Wanaka Balloon Campaign from New Zealand.
10 Apr 2017 1:37 PM