The rise we saw in 2024 was higher than we expected,” says Josh Willis, a scientist for sea level at NASA’s Jet Propulsion ...

Global sea level rose faster than expected in 2024, mostly because of ocean water expanding as it warms, or thermal expansion. According to a NASA-led analysis, last year's rate of rise was 0.23 ...

In a paper published today, Sept. 19, in the journal Science, a team of researchers produce a curve of global mean surface temperature across deep time—the Earth’s ancient past stretching over ...

This fossil palm leaf (Sabalites sp.), discovered in Petersburg Borough, Alaska, is on display in “The David H. Koch Hall of Fossils—Deep Time” at the Smithsonian’s National Museum of Natural History.

produce a curve of global mean surface temperature (GMST) across deep time—the Earth's ancient past stretching over many millions of years. The new curve reveals that Earth's temperature has ...