Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds. The total will rise even quicker as next-generation telescopes take flight.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Our solar system is approximately 4.6 billion years old, but ...

New experimental research demonstrates that sub-Neptune exoplanets, the most common class discovered, could possess large quantities of liquid water. The study simulated early planetary conditions, ...