Scientists believe giant impacts — like the one depicted in this artist’s concept — occurred on Mars 4.5 billion years ago, injecting debris from the impact deep into the planet’s

Left: Assumed temperature/pressure structure of the Venus atmosphere. Centre: The concentrations of condensed units ncond/n that deposit and are removed from the model when advancing to the next atmospheric height.

Image of the alvinellid worm, Paralvinella hessleri. A P. hessleri colonized hydrothermal vent in Iheya north hydrothermal field. The vent fauna showed apparent variation along the environmental gradients. The areas

An image of the star-forming region NGC 6357 with the young star XUE 10. Photo credit: Stockholm University (SU) and María Claudia Ramírez-Tannus, Max Planck Institute for Astronomy (MPIA). A