Two super-Earths around star K2-18

New research using data collected by the European Southern Observatory (ESO) has revealed that a little-known exoplanet called K2-18b could well be a scaled-up version of Earth.

The atmospheres of water worlds

There are currently about fifty known exoplanets with diameters that range from Mars-sized to several times the Earth's and that also reside within their stars' habitable zone – the orbital range within which their surface ...

Mine craft for Mars

If there are habitable conditions on Mars, they may be underground. Scientists from around the world are now testing how to live on other planets by venturing a kilometre beneath the surface in a UK mine. ESA astronaut Matthias ...

Many veterinarians aren't comfortable talking about fat cats

As many as two-thirds of North American cats are obese, and just like in humans, obesity can shorten their lives and cause a long list of health issues including diabetes, osteoarthritis and cardiovascular problems. Yet, ...

Are we being watched? Tens of other worlds could spot the Earth

A group of scientists from Queen's University Belfast and the Max Planck Institute for solar system Research in Germany have turned exoplanet-hunting on its head, in a study that instead looks at how an alien observer might ...

Ultraviolet light may be ultra important in search for life

In everyday life, ultraviolet, or UV, light earns a bad reputation for being responsible for sunburns and other harmful effects on humans. However, research suggests that UV light may have played a critical role in the emergence ...

An Earth-like atmosphere may not survive Proxima b's orbit

Proxima b, an Earth-size planet right outside our solar system in the habitable zone of its star, may not be able to keep a grip on its atmosphere, leaving the surface exposed to harmful stellar radiation and reducing its ...

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