Tardigrades - also known as water bears – are some of the toughest and most resilient creatures on Earth, even though they are virtually microscopic in size, less than a millimeter long. Image via Eye of Science/Science Source/ScienceNews.
Astrophotographer Ruslan Merzlyakov wrote: “Proud to present the biggest project I have ever made! Perseid meteor shower 2019 over Scandinavia's 1st dark sky park, Denmark’s island of Møn.” Thank you, Ruslan!