NASA Science Briefing: Comet Siding Spring at Mars

An ultra-sensitive seismometer aboard NASA’s InSight Mars lander finds a huge molten core at the heart of the red planet.

ESA and NASA announce new missions to study a pristine comet, the solar corona and how the solar wind interacts with Earth’s atmosphere.

Set your alarm for 6am GMT if you wish to see three naked-eye planets in the UK dawn sky this week. Find a location that offers an unobstructed view of the horizon from southeast to south and let the waning Moon be your guide to locating Jupiter, Mars and Saturn on successive mornings from 7 to 11 February.