habitable exoplanet

Most Exoplanets won’t Receive Enough Radiation to Support an Earth-Like Biosphere

According to new research, most extrasolar planets do not get enough radiation to support photosynthesis, which places limits on how…

3 months ago

Based on Kepler Data, There’s a 95% Chance of an Earth-Like Planet Within 20 Light-Years

Combining data from the retired Kepler mission with the Gaia Observatory, a team of scientists have produced new estimates for…

11 months ago

Time Flies. NASA Releases a Mosaic of TESS’ View of the Northern Sky After Two Years of Operation

NASA's TESS planet-finding spacecraft completed its primary mission about 3 months ago. TESS's (Transiting Exoplanet Survey Satellite) job was to…

12 months ago

Saturn-sized Planet Found in the Habitable Zone of Another Star. The First Planet Completely Discovered by Amateur Astronomers

Exoplanets have been a particularly hot topic of late.  More than 4000 of them have been discovered since the first…

1 year ago

Five Snapshots of how the Earth Looked at Key Points in its History Could Help us Find Habitable Exoplanets

A study by Cornell's Carl Sagan Institute provides models of how Earth looked like over time, which could help us…

1 year ago

TESS Finds its First Earth-Sized World in the Habitable Zone of a Star

NASA's TESS (Transiting Exoplanet Survey Satellite) has found its first Earth-sized planet located in the habitable zone of its host…

2 years ago

Without a Magnetosphere, Planets Orbiting Flare Stars Don’t Stand a Chance

Earthlings are fortunate. Our planet has a robust magnetic shield. Without out magnetosphere, the Sun's radiation would've probably ended life…

2 years ago

Giant Meteor Impacts Might Have Triggered Early Earth’s Plate Tectonics

A new study by an Australian-US team has found that a large impact that happened ca. 3.2 billion years ago…

2 years ago

Of the Two Stars in Alpha Centauri, One is Probably More Habitable than the Other

A new study has shown that the Alpha Centauri is not likely to support life and that one of its…

2 years ago

Planet Sizes Matter for Habitability Too.

In order to be considered habitable, a planet needs to have liquid water. Cells, the smallest unit of life, need…

2 years ago