Did Betelgeuse consume a smaller star?

What's going on with Betelgeuse? In recent years it's generated a lot of headlines as its luminosity has shifted dramatically several times. The red supergiant brightened by almost 50% earlier this year, triggering speculation ...

What to wear for a climate crisis

When people move to the country from the city, they need to change their wardrobes, my research on tree-changers in Australia found. The new context of their lives means the clothes they wore for the city no longer work for ...

How to prepare for a trip to space

Aleksandra Stankovic is an aerospace psychologist and spaceflight biomedical researcher who studies how to optimize human performance and behavioral health in extreme operational environments. In this article, she describes ...

Using airborne DNA to track bats

Catching bats is a difficult task—they're small, they fly and they blend into the night when they're out after dark. That can make studying these mammals challenging, despite their ubiquity: bats are found on nearly every ...

Genomic stability: A double-edged sword for sharks

Sharks have been populating the oceans for about 400 to 500 million years. While our planet and many of its inhabitants have undergone massive changes several times during this period, this basal group of vertebrates has ...

page 23 from 40