This star cluster - called NGC 3590 - isn't just pretty. It's also helping astronomers understand the Milky Way galaxy in which our sun and Earth reside.
This is Antarctic land ice, not sea ice, which in recent years has expanded. The land ice loss is now thought to drive 0.43 millimeters of global sea level rise per year.
Some sunlike stars are "Earth-eaters." As they form, they ingest large amounts of the rocky material from which planets like Earth, Mars and Venus are made.
After a three-year observing campaign of Saturn using the Hubble Space Telescope, scientists have confirmed that auroras on Earth and Saturn have a common origin.
Scientists believe light transformed to matter shortly after the Big Bang. Two UK physicists say they now know how to change light to matter here on Earth.