exoplanets
When Stars eat Their Planets, the Carnage can be Seen Billions of Years Later
Lithium is the key to determining whether a star has eaten a planet.
Astronomers Have a New Way to Find Exoplanets in Cataclysmic Binary Systems
Have you heard of LU Camelopardalis, QZ Serpentis, V1007 Herculis and BK Lyncis? No, they're not members of a boy…
An Ambitious Plan to Find Earth 2.0
When it comes to astronomy, the more instruments watching the sky, the better. Which is why it has been so…
Water Worlds Could Have Plumes of Nutrients Carried up From Down Below
Earth's oceans are one huge, uniform electrolyte solution. They contain salt (sodium chloride) and other nutrients like magnesium, sulphate, and…
Using the Sun as a Gravitational Lens Would Let Us See Exoplanets With Incredible Resolution
Have you ever seen wispy arcs and rings in astronomical images taken by the Hubble Space Telescope and other observatories?…
Two New Rocky Planets Discovered Close to the Solar System
TESS has struck paydirt again. NASA's planet-hunting spacecraft has found two new super-Earths orbiting a star only 33 light-years away.…
There Could Be Four Hostile Civilizations in the Milky Way
In a series of papers, amateur astronomer and exoplanet researcher Alberto Caballero narrows down who could have sent the Wow!…
How Do Hot Jupiters Get So Close to Their Stars?
In this age of exoplanet discovery, we've discovered thousands of exoplanets of different types. The hot Jupiter is one of…
Objects That Share the Same Orbit are Common in the Solar System. But we’ve Never Seen co-Orbital Exoplanets. Why?
“Where are all the Trojans” is a question valid in both the study of ancient history and the study of…
The Closeby Habitable Exoplanet Survey (CHES) Could Detect Exoplanets Within a few Dozen Light-Years of Earth Using Astrometry
A team of Chinese researchers has proposed a new mission to find Earth-like planets in neighboring star systems - the…