The Discussion: Jeni's off to La Palma to gather data on dust & gas in the Crab Nebula, did a meteor or two strike the moon during the January eclipse? And what do Europeans think (or know) about the European Space Agency?

The News: Rounding up the space and astronomy news this month we have:

• More research suggesting there are no seasonal water flows on Mars
• Modelling the stellar wind at Barnard's Star
• Can interstellar objects survive the journey?
• The unusual planetary system EPIC24924646
• Lunar craters show Earth had a brief impact lull 650-300 million years ago
• The youthful nature of Saturn's rings
• More research suggesting there may be no Planet 9
• The Russian company planning to put billboards in space

Main news story: CERN's plans for the monster successor to the Large Hadron Collider and what the hell that has to do with astronomy

The Sky Guide: Covering the solar system and deep sky objects on offer to amateur astronomers in February.

Paul: Mercury at greatest eastern elongation, a conjunction of Uranus and Mars.

Ralph: Asteroid 532 Herculina at opposition and a brand new(ly discovered) comet to view in telescopes

Jen: Venus and Jupiter on show in the early morning and a conjunction of Saturn and Venus

Main Deep Sky Object: Messier 1, the Crab Nebula

Q&A: Listeners' questions via email, Facebook & Twitter take us on a journey into the astronomy issues that have always plagued our understanding or stretched our credulity. This month we take a look at the bewildering array of theories for one of the greatest spectacles in the night sky:

How did Saturn's rings form? Scott Jorgensen, Michigan.