Posts by 

Paul Scott Anderson

New exoplanet system is ‘mirror image’ of Earth and sun

Researchers from Germany and the US have discovered an exoplanet less than twice the size of Earth orbiting at about the same distance from its star, making it the closest analog to the Earth-sun system known so far.

A 2nd exoplanet confirmed for Proxima Centauri

Astronomers at McDonald Observatory have confirmed a second planet - 7 times more massive than Earth - orbiting Proxima Centauri, the closest star to our sun.

New ‘climate decoder’ to study potentially habitable exoplanets

What is the climate like on some potentially habitable exoplanets? Scientists have developed a new "decoder" to find out.

Did ancient Mars have rings?

A new study of Mars' smallest moon Deimos, by scientists from the SETI Institute and Purdue University, suggests that the planet used to have rings a few billion years ago.

Proxima Centauri b confirmed as nearest exoworld

Researchers at the University of Geneva have confirmed the existence of an Earth-sized exoplanet orbiting in the habitable zone of Proxima Centauri, the closest star to our sun.

On Mars, mud flows like lava

Scientists in Europe have found that some features on Mars that were thought to be lava flows may actually have been flows of muddy water.

Curiosity just learned that Gale Crater may once have held a vast salty lake

Scientists studying data from the Curiosity rover have found evidence for an ancient ice-covered lake in Gale Crater on Mars. The findings support the theory of alternating warmer and colder climates on early Mars.

Is Mars still volcanically active? New study says maybe

Scientists studying the ancient Martian Tissint meteorite say they've found new evidence that Mars was volcanically active a few hundred million years ago ... and may still be today.

More evidence for watery plumes on Europa

Scientists in Europe have found more yet evidence for water vapor plumes on Jupiter's ocean moon Europa.

Saturn’s bizarre polar hexagon is really hazy

Researchers in Spain have published a new study revealing details of a multi-layered, sandwich-like haze that hangs above the famous hexagon at Saturn's north pole.

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