Young

A young star at the black hole

Jungstern X3a and its surroundings. © Florian Peißker Extreme conditions prevail around the black hole at the center of the Milky Way – enormous tidal...

Seal mothers sacrifice iron to their young

Weddel seal mothers invest in their offspring in a special way through their milk. Michelle Shero/ © Woods Hole Oceanographic iInstitution ...

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