The series finally gets a proper sendoff.

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

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

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

This video shows a remote observatory located in the Bartang Valley, Tajikistan, surrounded by dry land and high mountains.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

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

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...

Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an ...

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

Scientists have found that young stellar cousins of our sun are calming down and dimming more quickly in their X-ray output ...

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...