Stock market today: Dow jumps 650 points to post record, S&P 500 climbs above 6,900 for first time

The Dow and S&P 500 notched new records on Thursday as US stocks mostly rose, with tech stocks under more pressure after ...

Cleaner Ship Fuel Is Quietly Changing Clouds Over the Atlantic

A conflict-driven reroute of international ships exposed how dramatically cleaner fuel reduces cloud formation.