On spring mornings, from either hemisphere, you can't easily see Mercury. Peter Lowenstein in Mutare, Zimbabwe - 19 degrees south latitude, where it's autumn now - shares this month's excellent Southern Hemisphere view of Mercury, as the old moon swept past.
On Monday, scientists announced new evidence suggesting water vapor plumes on Jupiter's moon Europa. Could we send a spacecraft through one, to test whether Europa's liquid ocean - buried below its icy crust - might support life?
Astrophysicists found 12 possible black holes near the supermassive black hole at our Milky Way's heart. They could be the 1st known members of a black hole swarm.
At a meeting of experts in London last week, citizen scientists Gerald Eichstädt and Seán Doran wowed the audience with this new composite, plus a new dazzling animation, of the giant planet Jupiter.
ESA considers a high-energy survey of the early universe, an infrared observatory to study the formation of stars, planets and galaxies, and a Venus orbiter.
There's a false notion that female birdsong is rare in comparison to male birdsong. But lady birds sing, too. You can participate in a new project that aims to collect more recordings of female birds.