September 20, 2018

Researchers discover planet Vulcan from Star Trek — sort of

‘Super-Earth’ planet is just 16 light-years from Earth Star Trek fans take note: the planet Vulcan is real. It may not be inhabited by green-blooded, pointy-eared, humanoids […]
May 18, 2017

Who’s Out There?—Star Chips? (and required reading for students of alife and exobiology)

When I first heard the idea I was appalled. Spend millions of dollars to pepper the vicinity of Proxima Centauri‘s planet with light-beam-propelled Starchips? Even if […]
May 13, 2017

Mars May Have Been Born in the Asteroid Belt

Research suggests that gravitational interactions forced Mars out of the asteroid belt and toward the sun about 120 million years after the birth of the solar […]
May 6, 2017

TRAPPIST-1 Planets Have No Large Moons, Study Argues

The conditions for habitable exoplanets in the TRAPPIST-1 system might depend on the presence of large moons — and Earth reveals clues to why. While we […]
March 30, 2015

The Moon’s two-night encounter with Jupiter

Despite being closest to Earth last month, the Solar System’s largest planet is still prominent at the close of March: Jupiter is big and bright in […]
December 19, 2014

Kepler Spacecraft Finds New ‘Super-Earth’ 180 Light-Years Away

A year and a half after a pointing failure threatened to derail its epochal search for worlds beyond our solar system, NASA’s Kepler spacecraft has bagged another planet, astronomers […]
August 16, 2013

Nasa abandons hope of fixing Kepler

Nasa has abandoned hope of restoring the Kepler Space Telescope to full working order after the spacecraft suffered two technical failures. After several months of analysis, […]
December 19, 2012

Four planets in 'habitable zones' spotted within spitting distance of Earth

Astronomers say they have uncovered evidence for what could be four super-Earth planets orbiting within the habitable zones of two stars within 22 light-years of Earth. […]