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Posts by
Kelly Kizer Whitt
Ara and Triangulum Australe in southern skies
Ara and Triangulum Australe are two constellations in southern skies representing an Altar and the Southern Triangle. See them on July evenings.
July 16, 2023
European heatwave bakes areas around the Mediterranean
ESA's Sentinel-3 satellite is keeping an eye on the European heatwave, recording land surface temperatures that aid forecasts and urban planning.
July 14, 2023
Did the Anthropocene begin in the 1950s?
A scientific working group declared that a new epoch - the Anthropocene - began in 1950, with evidence from a lake in Ontario, Canada.
July 13, 2023
SpaceX satellites leaking radio waves. Astronomers worried
A new study confirms 68 satellites leaking radio waves that might harm radio astronomers' observations of the universe. Astronomers are worried.
July 12, 2023
Venus, Mars and Regulus come together on July 9
You can see Venus, Mars and Regulus close together on July 9 and 10. Use binoculars for a better view of the dimmer objects, a bit more than a moon-width apart.
July 9, 2023
Why a day is 24 hours long, and why it used to be 20 hours
Learn why on Earth a day is 24 hours long, how it used to be closer to 20 hours long, and how a warming atmosphere might extend the length of a day.
July 7, 2023
Flying car gets airworthiness certificate from FAA
The FAA has granted an airworthiness certification to a flying car developed by Alef Aeronautics. The company envisions a car that rises above traffic jams.
July 6, 2023
Satellite views lightning from space to help predict storms
The European Space Agency has a new satellite that is capturing views of lightning from space. The satellite will help improve forecasts and make air travel safer.
July 5, 2023
July supermoon photo gallery from our readers
Enjoy these great photos of the July supermoon. It's the first of four supermoons in a row. August will have two supermoons and September will have one.
July 4, 2023
Canadian smoke crosses the Atlantic and reaches Europe
Canadian smoke from raging wildfires has now crossed the Atlantic to darken skies over Europe. The smoke over Europe is high in the atmosphere.
June 28, 2023
