Update for 5:40 p.m. EDT: The "ring of fire" annular solar eclipse of Oct. 2 amazed skywatchers across the southern Pacific and South America. See stunning photos and videos in our full story. On Oct.
A cybersecurity researcher has released a proof-of-concept exploit for a Windows privilege escalation zero-day dubbed ...
A rare total solar eclipse turned day into night for millions across Mexico, the US and Canada this evening. Scroll down through our live page to catch up on all the best moments as they happened.