Huge Space Telescope Needed to Seek Life on Alien Planets
While NASA's James Webb Space Telescope will be capable of finding signs of life on nearby exoplanets after its 2018 launch, a bona fide hunt for aliens beyond Earth's neighborhood will require even bigger instruments, experts say.
Experts Discuss Exoplanet Hunt Wednesday: How to Watch Live
The 30-minute webcast, which is called "Spotlight Live: The Hunt for Other Worlds Heats Up," begins at 3:00 p.m. EDT Wednesday. You can watch it live here on Space.com, courtesy of the nonprofit Kavli Foundation, which is hosting the discussion
Should Humanity Try to Contact Intelligent Aliens?
'Active SETI' sounds like science fiction, but some astronomers are discussing it seriously today. The idea is a controversial, hot-button issue, with some researchers wary of sending signals out to touch base with intelligent aliens.