terrestrial planets
An Earth-sized Exoplanet Found Orbiting a Jupiter-Sized Star
Red dwarf stars, also known as M-dwarfs, dominate the Milky Way's stellar population. They can last for 100 billion years…
White Dwarfs Could Support Life. So Where are All Their Planets?
Astronomers have found plenty of white dwarf stars surrounded by debris disks. Those disks are the remains of planets destroyed…
What’s the Best Way to Find Planets in the Habitable Zone?
Despite the fact that we've discovered thousands of them, exoplanets are hard to find. And some types are harder to…
A Rogue Earth and Neptune Might Have Been Found in Older Data
Scientists have found what appear to be rogue planets hidden in old survey data. Their results are starting to define…
To Take the Best Direct Images of Exoplanets With Space Telescopes, we’re Going to Want Starshades
The Journal of Astronomical Telescopes, Instruments, and Systems (JATIS) has released a special edition of papers dedicated to educating the…
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…
Some Stars Could Support as Many as 7 Habitable Planets
A new study by a team of astronomers and planetary scientists calculate that some stars could have as many as…
The Giant Planets in the Solar System Stunted the Growth of Mars
A new study by an international team of researchers indicates that Mars' growth was stunted due to the orbital instability…
How Many of Earth’s Moons Crashed Back Into the Planet?
A new study by an international team of scientists ventures that the Earth has had several moons in the past,…
How Long Can a Rocky World Withstand the Blasts From a Red Dwarf Star?
In a presentation at the Fall Meeting of the American Geological Union, a team of researchers showed how MAVEN data…