Betelgeuse baffles scientists with its recent changes
New images of Orion’s famous red supergiant star show how it has changed in the course of just one year.
Super-spectrometer to take aim at Earth-mass planets
A new spectrometer with three times the precision of previous instruments should lead to the discovery of more Earth-mass planets.
Upgrades will boost Australian radio telescopes
New receivers and digital signal processors will dramatically enhance the capabilities of CSIRO’s Parkes and the Australia Telescope Compact Array radio telescopes.
Your night sky guide for 2020
Eclipses, oppositions, spectacular conjunctions and a close encounter between Venus and the Pleiades await stargazers this year.
NASA tests under-ice robot in Antarctica
The craft is a forerunner of the kind of robot that might one day explore underneath the ice crust of Jupiter’s moon Europa.
Neutron star crash likely formed a new black hole
A collision between two neutron stars probably resulted in the formation a black hole, according to gravitational wave data.
