This year, Mars reaches its long-awaited opposition on July 27—and is visible all night. Look for its south polar cap and dark features that shift as the planet rotates. You will also spot constellations Scorpius and Sagittarius, and the annual Delta Aquarid meteor shower.... Read More

This animation shows the remnant of Kepler’s Supernova, shown first in infrared, then visible, then low energy X-ray, then high-energy X-ray emission and finally in combination.... Read More

This animation shows the Messier 101 (Pinwheel) Galaxy, with simulated rotation, in visible, then infrared, then X-ray, and finally all three combined.... Read More

I filled up a Mercedes Benz with antifreeze instead of gasoline and took it out for a spin!... Read More

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30 Doradus (the Tarantula Nebula) is a very bright and active star-forming region outside of the Milky Way galaxy, at 160,000 light-years away. “30 Dor” is home to the central star cluster NGC 2070, including the most active region, R136, which appears in the central-right area of the image. R136 is a few million years old and contains many thousands of young stars, including several of the largest known. The bright blue stars shine out of the cleared cavity that is excavated by stellar winds. The redder stars are still partially embedded in the cloud material, seen in shadow except where illuminated by the cavity stars. In the infrared view the embedded stars shine more clearly through the intervening cloud material. ... Read More

I dropped the iPhone X off the tallest bridge in California without any case to see if it would survive!... Read More

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This sequence uses infrared (Spitzer) and visible (Hubble) images to reveal the formation of stars within a large cloud of hydrogen gas and dust. The warm gas lights up in the infrared view as red, and the hydrocarbon dust appears in green. The starlight from young stars appears in blue. The flood of starlight provides extra illumination throughout the dusty environment and in front of the cloud. The threads of gas, reminiscent of clouds on Earth, are compressed and pushed into knots by the winds from forming stars throughout the region. The clouds appear as shadows in this visible-light view. However, in areas where the gas has mostly been cleared or thinned, glowing cavities can be seen inside these cocoons. The combined view hints at the nebula’s complex three-dimensional structure.... Read More