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Pluto’s ghoulish cousin, 2015 TG387, lurks in the distant reaches of our own Solar System. Illustration by Roberto Molar Candanosa and Scott Sheppard, courtesy of Carnegie Institution for Science.

A Goblin could guide us to a mystery planet thought to exist in the Solar system

Whether you call it Planet X or Planet Nine, talk of another planet lurking in our Solar system won’t go away. So what does the discovery of a new object – nicknamed “The Goblin” – add to the debate?
Scientists working at the central peak of Gosses Bluff meteorite crater in Northern Territory. Nick Timms

How rare minerals form when meteorites slam into Earth

A meteorite hitting Earth at many kilometres per second puts ‘ground zero’ target rocks under immense pressure. A shock wave faster than the speed of sound can result – and new materials created.
Participants in a virtual reality travel experience reported a sense of relaxation, similar to that gained from travel in real life. Shutterstock

VR technology gives new meaning to ‘holidaying at home’. But is it really a substitute for travel?

Mind wandering engages the same neural pathways used to receive stimuli from the real world, evoking emotions similar to real life. VR can elicit these same feelings.
Enjoying the planets lined up in a row. Derek Bruff/flickr

Five in a row - the planets align in the night sky

The five planets visible to the naked eye since ancient times are putting on a dazzling display this month, in a night-sky dance along with the Moon.