Monarchs Covered 53 Percent Less Area in Mexico this Winter
Monarchs Covered 53 Percent Less Area in Mexico this Winter
The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.
Monarchs Covered 53 Percent Less Area in Mexico this Winter
Monarchs Covered 53 Percent Less Area in Mexico this Winter

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

migration
Ancient Wheat Genome Reveals Clues to the Agricultural Past
Ancient Wheat Genome Reveals Clues to the Agricultural Past
Jef Akst | Mar 1, 2020
A museum sample of a 3,000-year-old Egyptian crop plant yields genomic information that helps researchers track the plant’s domestication and migration.
Image of the Day: Flock in the Night
Image of the Day: Flock in the Night
Amy Schleunes | Feb 19, 2020
The National Weather Service’s radar in Key West captures a spectacular moment in bird migration.
Mexico’s Monarch Butterfly Defender Found Dead
Mexico’s Monarch Butterfly Defender Found Dead
Ashley Yeager | Jan 30, 2020
Details of Homero Gómez González’s death are not yet known.
Opinion: The Nature of Social Inequalities in Great Britain
Opinion: The Nature of Social Inequalities in Great Britain
Abdel Abdellaoui, Judy Luigjes | Oct 21, 2019
Regional differences in wealth in the UK are tied to genetic variants related to education—and migration is only widening the gap.
Image of the Day: Eel Compass
Image of the Day: Eel Compass
Emily Makowski | Oct 14, 2019
Glass eels form a magnetic memory of their estuaries’ currents in order to migrate.
Ancient DNA Traces History of South Asians
Ancient DNA Traces History of South Asians
Catherine Offord | Sep 6, 2019
Modern-day populations in India descend from a mixture of peoples living thousands of years ago in South and Central Asia, including the Bronze-Age Indus Valley Civilization, two studies reveal.
Bar-Headed Geese Slow Their Metabolism to Soar over Everest
Bar-Headed Geese Slow Their Metabolism to Soar over Everest
Nicoletta Lanese | Sep 4, 2019
The birds also decrease their heart rate and chill their blood to maintain flight in hypoxic conditions.
Image of the Day: Photo ID
Image of the Day: Photo ID
Chia-Yi Hou | Jun 27, 2019
Marine biologists identify smalleye stingrays using the white spots on their backs.
Amidst UK Pollinator Declines, Migrant Hoverflies Are Doing Well
Amidst UK Pollinator Declines, Migrant Hoverflies Are Doing Well
Katarina Zimmer | Jun 13, 2019
A decade-long study tallies the numbers of pest-eating, flower-pollinating hoverflies that travel to the UK every year, and illustrates their important ecological roles in southern Britain.