ESA’s Hera asteroid mission for planetary defence will make a swingby of Mars next March, borrowing speed to help reach its target Didymos binary asteroid system.
While ESA's Integral was observing the sky, it suddenly spotted a burst of gamma-rays coming from the nearby galaxy M82. Only a few hours later, ESA’s XMM-Newton searched for an afterglow from the explosion but found none. Astronomers realised that the burst must have been an extra-galactic flare from a magnetar, a young neutron star […]