杏吧原创

artist's impression of planets around a red dwarf star

Space

Old planets always get too hot or cold for life in the end

Searching for alien life on planets orbiting older stars may be fruitless - they nearly always lose their liquid water with time

Space

Fiery exoplanet may see a trillion lightning flashes in an hour

superhabitable AW

Life

There might be a planet better than Earth 鈥� right next door

Juno probe

Life

Pinball planets: How life could start in a violent solar system

Illustration of a planet losing its atmosphere

Environment

Stars burn away the atmospheres of close-in super-Earths

Artist's impression of trappist-1 exoplanet system

Space

New exoplanet trio may have been dried out by fiery young star

Physics

Trio of Earth-sized planets around nearby star could reveal life

Space

NASA recovers prized Kepler space telescope after emergency

The Pleiades star cluster: it might have been the sun's nursery

Space

Planet Nine might be an exoplanet stolen by the sun

A desert, with a few stones and dry branches in the foreground and a very bright sun shining in a clear, dark blue sky

Earth

Planets with too much carbon dioxide could lose oceans to space

Adding vast amounts of CO2 to the atmosphere could heat a planet to the point where it leaks so much water that its oceans eventually disappear

Space

How Do You Find an Exoplanet? An insider account gives top tips

Space

Lonely exoplanet orbits its star at greatest distance yet seen

Earth

How Planet Nine may have been exiled to solar system’s edge

Life

Black hole sun could support bizarre life on orbiting planets