Mysterious pink glow in Australia … not aliens

Residents of the Australian town of Mildura thought they were being invaded by aliens Wednesday night, due to a mysterious pink glow in the sky.

Rocket launches can create night-shining clouds

A study shows that rocket launches can cause night-shining, or noctilucent, clouds. These are wispy, ethereal clouds found high in the mesosphere.

We love sunflowers! Your best photos

We love sunflowers at EarthSky! You can't look at a sunflower and feel sad. Here are some great photos you shared with us. Smile!

Record-breaking heat in the UK

Record-breaking heat was recorded in the UK yesterday, where temperatures reached 40.2°C (104.4°F) for the first time since record-keeping began.

Heatwaves and fires in Europe, Africa, and Asia

NASA Earth Observatory reports on heatwaves and fires in Europe, Africa and Asia in summer 2022 and attributes the extreme weather to global warming.

U.S. heat dome expands west to sizzle cities

In early July 2022, a heat dome is settling over the U.S. Midwest and Plains, setting records for heat. It'll be a brutal summer for parts of North America.

Geomagnetic storms: Will you lose power where you live?

Scientists studied past geomagnetic storms to learn more about how strong storms affect the power grid. The maps here show areas most at risk.

Ozone layer damage due to rocket launches?

A new study by NOAA says that with the increase in rocket launches over the next 20 years, the soot emitted from these launches could damage the ozone layer.

Baby woolly mammoth – beautifully preserved – found in Yukon

Miners in Yukon, Canada stumbled upon a well preserved, 30,000-year-old baby woolly mammoth. She's beautiful, geologists said.

Wow! Giant bacterium is largest ever discovered

Scientists say they have discovered the largest species of bacteria ever found. The giant bacterium is 0.4 inches (1 centimeter) long.

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