El Niño Then and Now
A 35-year satellite altimetry record lets scientists hold this year’s El Niño up against its strongest predecessors.
Breakthrough research
Clear Feed signalOct 23, 2026Clear Feed signal
Breakthrough research
A shareable signal card for a notable story in the feed.
Signal ledger
24h
35
Signal score
1
Cues
NASA Breaking News
Source
Breakthrough research
Primary signal cue
Share card1200 x 630