Their new study, published in Nature, reveals how tiny, ultra-light flyers could soon rise to the mesosphere, a part of the ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

Mars may have released sulfur gases that trapped heat, shaped the climate, and created conditions for ancient life.

"It confirms K2-18 b to be our best chance to study a potential habitable environment beyond the solar system at the present time." The saga surrounding Neptune-size "super-Earth" exoplanet K2-18 b ...

"Finding a temperate planet in such a compact system makes this discovery particularly exciting." A fifth planet has been detected within the habitable zone of a neighboring star, where conditions ...

A new method for quantifying grandeur is reshuffling the pecking order of the planet’s most impressive peaks. Turns out ...

We use 74% more than the planet can remake, a sustainability organization says. With 155 days left in 2021, humans have already surpassed what global resources can sustain in a single year, according ...