A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during ...

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has mostly been here since the beginning ...

The candidate is coined HD 137010 b. It would orbit a K-type dwarf star approximately 146 light-years from Earth. The evidence comes from a single transit pattern seen in K2 data from 2017: the star ...

A planet that looks faintly familiar has emerged from old space telescope data, though it may be far from welcoming.

“This is the first planet candidate with Earth-like radius and orbital properties transiting a Sun-like star bright enough ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to ...

But unlike Jupiter, Venus does have phases, going from not illuminated at all (when it is between the Earth and the Sun) to ...