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Posts by EarthSky

medusa-nebula-ESO-cp
Science Wire | May 26, 2015

Medusa Nebula foreshadows our sun’s fate

Here’s the most detailed image yet of the Medusa Nebula. The image foreshadows the final fate of our sun, which will eventually become an object of this kind.

14462_north_star_300
FAQs | May 26, 2015

Does the North Star ever move?

It’s a symbol for constancy, but, if you took its picture, you’d find that the North Star makes its own little circle around the sky’s north pole every day.

10may30_430
Tonight | May 26, 2015

Deneb, brightest star in the constellation Cygnus the Swan

Look for the star Deneb tonight! At well over 1,000 light-years away, it’s one of the most distant stars we can see with the eye alone.

Space X Dragon attached to ISS by robot arm
Science Wire | May 21, 2015

SpaceX Dragon is back on Earth

SpaceX confirmed splashdown of Dragon in Pacific Ocean at 12:42 pm ET (1642 UTC), 155 miles SW of Long Beach, California.

Sonia Harmand at excavation site.
Science Wire | May 20, 2015

Oldest stone tools found in Kenya

The tools, whose makers may or may not have been some sort of human ancestor, date back to 3.3 million years ago.

Image via Wikimedia Commons.
Science Wire | May 18, 2015

Do nano-sunscreens harm sea life?

Nano particles in sunscreens have been found to harm marine worms, crustaceans, algae, fish and mussels. A new study shows their negative effect on sea urchin embryos, too.

The still unraveling remains of supernova 1987A are shown here in this image taken by NASA's Hubble Space Telescope. The bright ring consists of material ejected from the dying star before it detonated. The ring is being lit up by the explosion's shock wave. Image credit: ESA/Hubble & NASA
Science Wire | May 15, 2015

Watch off-kilter explosion of supergiant star

This one-minute animation shows the shock wave that is created when the core of a massive star collapses.

Acquired September 14, 1966.  Image credit: NASA
Science Wire | May 14, 2015

The mystery of India’s rapid drift

India got a geologic boost that accelerated its drift toward Eurasia 80 million years ago, researchers suggest. The speed of the resulting impact created the Himalayas.

Arial-view-of-Humpback-whale
Science Wire | May 12, 2015

Space data protect whales from ships

A new tool tracks the locations of whales along the U.S. west coast, in order to decrease the chances of whales colliding with ships or getting tangled in fishing gear.

10may28_430
Tonight | May 10, 2015

Look for bright star Vega on May evenings

Bright, bluish Vega marks the constellation Lyra the Harp.