A huge asteroid – (52768) 1998 OR2 – will pass closest to Earth on April 29. Astronomers at Arecibo Observatory in Puerto Rico begin detailed observations today. Charts, tips – plus how to watch online – here.
Artist's concept of an asteroid passing near Earth.
Since March 14, ozone over Earth’s Arctic has decreased to what’s normally considered ‘ozone hole levels.’ Scientists expect this year’s Arctic hole – the largest ever seen over the Arctic – to close again around mid-April 2020.
With water dropping 150 meters (490 feet) through a thick patch of cloud forest, San Rafael Waterfall was one of Ecuador’s most captivating landscapes and attracted tens of thousands of visitors per year. But on February 2, the water stopped flowing.
Image via NASA.
Comet C/2019 Y4 (ATLAS) has been fainter during the last few nights. It’s possible it’s disintegrating (as comets sometimes do), although it’s still possible ATLAS will survive. Details here.
Image via Ningbo Education Xinjiang Telescope (NEXT).
A waxing gibbous moon appears more than half lighted, but less than full. It rises before sundown and sets somewhere between midnight and dawn.
This newly discovered fossil is a hugely important find, say scientists. It means that one of our earliest ancestors possibly originated in southern Africa. Read more
The ~2 Ma Homo erectus cranium, DNH 134, from the Drimolen Fossil Hominin site. Image via Matthew V. Caruana/ The Conversation
We’re currently enjoying a “season” of 3 full moon supermoons: March 9, April 7-8 and May 7, 2020. Then we’ll have a “season” of 3 new moon supermoons on September 17, October 16 and November 15, 2020. Supermoon-o-mania, here.
Photo by Rebecca Lacey in Cambridge, Idaho
As unlikely as it may sound, Mercury may have once been able to support subsurface microscopic life, according to a new study from the Planetary Science Institute.
Mercury - closest planet to the sun in our solar system - as seen during the first flyby of the MESSENGER spacecraft in 2008. Image via NASA
We’re at home. How about you? But we just discovered these virtual tours, galleries and live webcams from around the world, which we wanted to share. Stay home, and have some virtual fun …