Posts by 

Kelly Kizer Whitt

What’s happening under cities? Underground climate change

Scientists say heat that structures emit beneath cities leads to underground climate change, which can cause the ground to swell and shrink. Read more here.

Boulders from asteroid Dimorphos, after spacecraft impact

The Hubble telescope caught these boulders from asteroid Dimorphos, following the impact by NASA's DART mission for "planetary defense."

The moon visits 3 rocky planets on July 18, 19 and 20

On July 18, 19 and 20, 2023, the moon visits 3 rocky planets in the west. Mercury, Venus and Mars will all pair up with the moon on back-to-back nights.

Airplane-sized asteroid found 2 days after brush by Earth

An airplane-sized asteroid came within 1/4 the moon's distance to Earth on July 13, 2023. However, scientists didn't detect the asteroid until two days later.

Oceans turning greener due to global warming

Are oceans turning greener amid climate change? Scientists studying satellite images of the ocean for more than 20 years said yes.

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.

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.

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.

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.

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.