Extrasolar Planets

Project Hyperion is Seeking Ideas for Building Humanity’s First Generation Ship

The dream of traversing the depths of space and planting the seed of human civilization on another planet has existed…

1 week ago

Establishing a New Habitability Metric for Future Astrobiology Surveys

The search for exoplanets has grown immensely in recent decades thanks to next-generation observatories and instruments. The current census is…

1 month ago

A Possible Exomoon Could be Volcanic, like Jupiter’s Moon Io

In 2012, astronomers detected a gas giant transiting in front of WASP-49A, a G-type star located about 635 light-years from…

1 month ago

Exoplanet Discovered in a Binary System Could Explain Why Red Dwarfs Form Massive Planets

In recent years, the number of known extrasolar planets (aka. exoplanets) has grown exponentially. To date, 5,799 exoplanets have been…

1 month ago

An Earth-like Planet Around a Dead Sun Provides Some Reassurance About the Future of Earth

In about five billion years, our Sun will exit its main sequence phase and transition to its red giant phase.…

2 months ago

Astronomers Have Found a Star with a Hot Jupiter and a Cold Super Jupiter in Orbit

Located in the constellation Ursa Major, roughly 300 light-years from Earth, is the Sun-like star HD 118203 (Liesma). In 2006,…

2 months ago

Elliptical Orbits Could be Essential to the Habitability of Rocky Planets

A seismic shift occurred in astronomy during the Scientific Revolution, beginning with 16th-century polymath Copernicus and his proposal that the…

4 months ago

Habitable Planet’s Orbiting Red Dwarf Suns Could at Risk from Far-Ultraviolet Radiation

The question of whether or not red dwarf stars can support habitable planets has been subject to debate for decades.…

4 months ago

Planetary Habitability Depends on its Star’s Magnetic Field

The extrasolar planet census recently passed a major milestone, with 5500 confirmed candidates in 4,243 solar systems. With so many…

4 months ago

The Ultraviolet Habitable Zone Sets a Time Limit on the Formation of Life

The field of extrasolar planet studies has grown exponentially in the past twenty years. Thanks to missions like Kepler, the…

4 months ago