On March 27, 1989, the Soviet Union's Phobos 2 mission to Mars' moons ended in failure.

A newly developed machine-learning tool could help scientists search for signs of life on Mars and other alien worlds.

A draft paper by a Harvard scientist and the head of the Pentagon's UFO office has raised the idea an alien mothership could be in the solar system, sending out tiny probes dubbed "dandelion seeds" to explore the planets within.

Astrobiologists should examine space dust and other exoplanetary debris to search for the existence of life beyond Earth, a new study suggests.

Buying Guide The best telescopes for kids — easy-to-operate models, ideal for young budding astronomers who want to share stargazing experiences alongside their families.

Snoopy and NASA's plans for exploring the moon received a "go" to launch as "All Systems Are Go," a new stage show featuring life-size puppets, debuted at Kennedy Space Center Visitor Complex.

Mill Creek Entertainment is releasing "The Center Seat: 55 Years of Star Trek" on DVD on April 25.

From secret Russian rockets to alien physiology to alien motherships lurking in our solar system, Rod and Tariq tackle the vexing questions of our time on This Week In Space. We might even be right!