New research rules out that the red planet had surface water flows; but, rather, glaciers. This is not to say that early Mars did not harbor liquid water, but it did not run on its surface.
Robots that use artificial intelligence to recognize the health of fruit and vegetable crops and when they are ready for harvest are being tested to help small greenhouse and organic farmers weed and patrol for pests.
When a massive star reaches the end of its life, it can explode as a supernova. But there is a unique type of supernova that is much brighter that we are beginning to understand and that may prove useful in measuring the universe.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.