Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could provide the best chance for the James Webb Space Telescope (JWST) to detect ...

An ocean world that’s teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

If TOI-561 b has an atmosphere, it would mean even rocky exoplanets exposed to the harshest conditions can have air, ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

I/ATLAS interstellar comet or alien spacecraft? NASA released new images of comet 3I/ATLAS after a rare flyby near Earth. Scientists explain what the object is, how to see it today, and why it matters ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Amanda Smith, Nikku Madhusudhan Hycean worlds, which are a possible kind of exoplanet ...