Iron is a micronutrient indispensable for life, enabling processes such as respiration, photosynthesis, and DNA synthesis.

The largest known black hole jets, 23 million light years across, have been discovered in the distant universe. This pair of ...

The beliefs we hold develop from a complex dance between our internal and external lives. Our personal-level cognition and ...

The world's oceans are home to different habitats that capture and store carbon—known as "blue carbon." These include ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

"These newly reported discoveries [of mass graves] confirm our darkest fears. The people of Ukraine and the world deserve to ...

The summer of 2024 was the hottest on record and, unfortunately, this came as no surprise. Summers have been getting hotter ...

For his 18th century thesis, Carl Linnaeus collected 643 different plant species that were then fed to horses, cows, pigs, ...

Scientists of the Swedish Institute of Space Physics (IRF) in Kiruna and Umeå University find that under certain conditions ...

Conservative voters have slightly larger amygdalas than progressive voters—by about the size of a sesame seed. In a ...

When we walked with a colleague into an aspen forest near Madison, Wisconsin, in the early spring of 2021, we expected to ...

If you are going to look for intelligent life beyond Earth, there are few better candidates than the TRAPPIST-1 star system.