A small but evolving dent in Earth’s magnetic field can cause big headaches for satellites.

2019 ranks among the 3 warmest years in records dating to the mid-1800s. In 2019, greenhouse gases reached their highest levels on record. Both facts are from the 30th annual State of the Climate report, a review of world climate based on contributions from more than 520 scientists in over 60 countries.

Recent reports of dramatic declines in insect populations have sparked concern about an 'insect apocalypse.' But a new analysis of data from sites across North America suggests the case isn't proven.

Following an active 2019 season, fires in Siberia in 2020 have again been abundant and widespread, and have produced abnormally large carbon emissions.

Satellite images have revealed 11 previously unknown emperor penguin colonies in Antarctica, identified by telltale reddish-brown guano stains the birds leave on the ice.

On Wednesday, forecasters at Colorado State increased their prediction for the number of named storms in the Atlantic in 2020 to 24 named storms and 5 major hurricanes.

How we worked out when whales first evolved asymmetrical skulls.

A long-standing question has been how fast Earth's magnetic field can change. The authors of a new study say they’ve uncovered some answers.

NOAA scientists forecast that this summer’s dead zone would measure roughly 6,700 square miles - bigger than the long-term average recorded since 1985, but lower than 2017’s record-high extent.

Between March and May 2020, many people across Earth went into lockdown. During those months, seismographs recorded a drop in human-linked vibrations in the solid Earth, by an average of 50%.