What is 3I/ATLAS and what makes it so interesting? 3I/ATLAS is an interstellar object that was discovered passing through the Solar System by the Asteroid Terrestrial-impact Last Alert System (ATLAS)

When comet 3I/ATLAS was discovered in July, on a one-way interstellar journey through our Solar System, Harvard astronomer Avi Loeb suggested it might be an alien spacecraft paying us a visit. Back in

H umans love conspiracy theories. From the JFK assassination, the Illuminati and the ‘deep state’, to vaccine distrust and ‘chemtrails’, the modern world is awash with beliefs in collusion and hoaxes.

When we imagine planets, we usually picture them circling a fiery star like our Sun. But new evidence has now been found of a type of planetary system that instead forms around cold planets that float

One of the most important features of extrasolar planets is whether they have an atmosphere or not. For astrobiology in particular, small, rocky planets blanketed with an atmosphere offer the best hop

2 Sunday Mag. +0.4 Saturn is 5.7° from this morning’s 82%-lit waxing gibbous Moon. Catch them together before they set at around 01:00 UT. Tuesday 4 Callisto’s shadow transits Jupiter’s disc from 07:0