Rare Comet Older Than the Sun Seen by Mars Orbiters

‘Space tornadoes’ could cause geomagnetic storms – but these phenomena, spun off ejections from the Sun, aren’t easy to study

Scientists create a paper-thin light that glows like the sun

The lowest-mass object to be detected at a cosmological distance using gravitational lensing: Astronomers have used gravitational lensing to detect the smallest dark object ever measured this way, a mass about 1 million times that of the Sun, situated some 10 billion light-years away