Tomorrow the closest pass of comet Lemmon by Earth – Where it will be visible in Greece
The gift of double appearances and the fragments it leaves behind in space
With Euclid’s first dazzling images, Webb finds a worthy rival in deep space
The Euclid space telescope, on a mission to chart the elusive dark universe, has captured its first images, revealing countless galaxies and a nearby nebula
New Earth-sized planet discovered, and it may be able to support life
LP 791-18d orbits a small red dwarf star about 90 light-years away in a constellation called Crater in the southern celestial hemisphere