Related topics: nasa · asteroid · sun · moon · atmosphere

Earth-like exoplanets unlikely to be another 'pale blue dot'

When searching for Earth-like worlds around other stars, instead of looking for the "pale blue dot" described by Carl Sagan, new research suggests that a hunt for dry, cold "pale yellow dots" might have a better chance of ...

Rare 'orchid of the falls' species declared extinct in the wild

A team of botanists from Guinea and the Royal Botanic Gardens, Kew in the UK have sounded the death knell for a plant in the Saxicolella genus that is endemic to a single location in Guinea. The sad discovery was made by ...

Microbes are 'active engineers' in Earth's rock-to-life cycle

The name "critical zone" may give off 1980s action thriller vibes, but it's the term scientists use to refer to the area of Earth's land surface responsible for sustaining life. A relatively small portion of the planetary ...

Hubble peers at pair of closely interacting galaxies

This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two galaxies interacting due to gravity: NGC 5996 (the large spiral galaxy) and NGC 5994 (its smaller companion, ...

New models shed light on life's origin

The first signs of life emerged on Earth in the form of microbes about four billion years ago. While scientists are still determining exactly when and how these microbes appeared, it's clear that the emergence of life is ...

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