John Lav

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Another Earth may be 500 light years away

Some 500 light-years away, a little planet basks comfortably in the heat of its sun. It's probably rocky – as the Earth is – and it's probably just the right temperature to boast liquid water. In other words, it's about as close to Earth as any planet we know of.<p>Unveiled at a recent meeting of the …

Astronomy

Searching for pale blue dots

IN 1990 <i>Voyager</i> took a photograph of Earth that was striking precisely because it showed so little. The spacecraft was six billion kilometres away at …

Universe

"Super Saturn" Has an Enormous Ring System and Maybe Even Exomoons

Astronomers watching the repeated and drawn-out dimming of a relatively nearby Sun-like star have interpreted their observations to indicate an …

Astronomy

Oldest Planetary System Discovered, Improving the Chances for Intelligent Life Everywhere

Using data from the Kepler space telescope, an international group of astronomers has discovered the oldest known planetary system in the galaxy – an …

Planet 'Reared' by Four Parent Stars

Everything About Kepler-432b is Extreme, Especially the Way it's Going to Die

Astronomers are calling Kepler-432b a ‘maverick’ planet because everything about this newly found exoplanet is an extreme, and is unlike anything …

Universe