| | Venus on Saturday morning - San Anselmo, California - via Brett Joseph. | | |
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Timelapse shows 25 years of Supernova 1987A | | If you were alive and interested in astronomy then, you'll remember Supernova 1987A, the 1st supernova visible in Earth's skies since 1604. The new timelapse shows its aftermath over a 25-year period, 1992 to 2017. Watch. | | |
New study on ocean warming: 5 questions answered | | A study released this past week reports that oceans absorbed 60 percent more heat than previously thought. The study estimates that for each of the past 25 years, oceans have absorbed an amount of heat energy that is 150 times the energy humans produce as electricity annually. Read more. | | |
Dusk for Dawn mission to asteroids | | NASA’s Dawn spacecraft has gone silent. The mission to explore the 2 largest bodies in the asteroid belt, Vesta and Ceres, is at an end. Read more. Remember Ceres' famous bright spots? When the Dawn spacecraft first spotted them, speculation raged. Here, we see the bright spots - now known to be salt deposits - in Ceres' Occator Crater in one of Dawn's last views. Image via NASA/JPL-Caltech/UCLA/MPS/DLR/IDA. | | |