In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Peter Dinklage is about to have another franchise under his belt. The actor has joined the cast of “Alien: Earth” Season 2 at ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new "hot ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

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Forbes contributors publish independent expert analyses and insights. Adam Frank is an astrophysicist exploring our place in the Cosmos. As a practicing astrophysicist and science communicator I see ...

Self-replicating alien probes may already be operating in our solar system, quietly carrying out long-term missions. A recent study suggests these probes could be hiding in plain sight, waiting to be ...