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Sunrays seen from Chile
Crepuscular rays, sometimes called sunrays, above the famous volcano Licancabur on the border between Chile and Bolivia.
May 25, 2016
First quarter moon and Regulus on May 21
The moon will be at or near its first quarter phase, and near the star Regulus, as darkness falls on May 25, 2015.
May 25, 2016
Comets orbiting nearby sunlike star
Astronomers have found the first evidence of icy comets orbiting a sunlike star 160 light-years from Earth.
May 24, 2016
Hubble spies a comet’s rotating jet
In March, Comet 252P/LINEAR passed exceedingly near the Earth. These images show the closest celestial object Hubble has observed, other than Earth's moon.
May 24, 2016
Man-eating crocodiles captured in Florida
Monster Nile crocodiles might be Florida’s newest invasive species.
May 23, 2016
Ancient tsunamis on Mars?
A study suggests that 2 large meteorites hit Mars billions of years ago and triggered mega-tsunamis in Martian water oceans.
May 23, 2016
Is Europa’s ocean like Earth’s?
New research finds the ocean on Jupiter's moon Europa could have the necessary balance of chemicals for life, even without active volcanoes.
May 23, 2016
Drive a spike to star Spica in May
Once you've used the Big Dipper to find the orange star Arcturus, you can continue on to find the star Spica, brightest light in the constellation Virgo.
May 23, 2016
Brightest Mars in 10 years
Earth passes between Mars and the sun on May 22, and the red planet shines from dusk until dawn. Our two worlds will come closest together on May 30.
May 22, 2016
Mars oppositions 2010 – 2022
Here's why 2016 is an awesome year for Mars, and why 2018 will be even better.
May 22, 2016
