Antarctic ice-sheet melting to lift sea level higher than thought, Harvard study says

In the search for life, oxygen in a planet’s atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios in which a lifeless rocky planet around a sun-like star could evolve to have oxygen in its atmosphere.

Branching worm with dividing internal organs growing in sea sponge

Icebreaker's cyclone encounter reveals faster sea ice decline