An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Designed to hunt for new alien worlds, NASA's Transiting Exoplanet Survey Satellite (TESS) has serendipitously observed the rising outburst of a black hole X-ray binary known as AT 2019wey. The ...

A newly identifiedplanetary system is forcing astronomers to rethink how worlds form and evolve, as a rocky planet appears ...

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

Tombstone remains one of the best and most crowd-pleasing Westerns ever made, having aged exceptionally well in the 33 years ...

The Department of Homeland Security is hiring a litany of private contractors and giving them thousands of names monthly of ...