This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat, uncover why Earth is peeling, and more.

In a groundbreaking discovery, astronomers have detected potential biosignatures, dimethyl sulfide (DMS) and/or dimethyl ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...