When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of ...

Hints of life may have just flickered into view from a world 124 light-years away, and the signal is coming through the James Webb Space Telescope. The exoplanet K2-18b, a so-called Hycean candidate ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

The James Webb Space Telescope detected intriguing chemical signatures in the atmosphere of a distant exoplanet known as K2-18b. Some of these molecules are associated with biological processes on ...

The latest search for life on the headline–making exoplanet K2-18 b has come up empty. But the team says that they have developed a framework that could shape how scientists hunt for extraterrestrial ...

CAPE CANAVERAL, Fla — In a tantalizing first, scientists have discovered water at a planet outside our solar system that has temperatures suitable for life. Two research groups announced this week ...

Astronomers at the University of Cambridge in the UK said they have found the “most promising signs yet” of life on another planet outside of the solar system. The scientists analyzed data from NASA’s ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to describe data that could be interpreted multiple ways. In some cases, that ...

More than 6,000 exoplanets, or worlds beyond our solar system, have so far been confirmed. The new technique involved analyzing old data from NASA's TESS satellite, focusing on fainter stars. Finding ...

A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky has helped scientists uncover something astonishing: planets much like ...