Could aliens visit Earth? Here are some of the challenges of traversing the almost inconceivably vast…
Category: Earth Sky
The 1919 solar eclipse that proved Einstein right
Einstein’s triumph. This early photograph shows a 1919 solar eclipse. See the tick marks around stars…
Do Europa’s water vapor plumes not exist after all?
View larger. | Jupiter’s moon Europa, with an inset showing a closer view of cracks on…
Moon base update! NASA unveils next steps
This new visualization depicts astronauts, habitats, rovers, power systems, and cargo operations at NASA’s planned moon…
Hot Jupiter exoplanet has cloudy mornings and clear evenings
Artist’s concept of WASP-94A b, a hot Jupiter-type exoplanet about 700 light-years away. New observations by…
Searching for Earth-sized exoplanets with the POET mission
View larger. | Artist’s concept of the TRAPPIST-1 system, including rocky, Earth-sized exoplanet TRAPPIST-1e (lower right).…
Ice volcanoes on Ganymede? New promising candidates found
View larger. | Jupiter’s moon Ganymede is the largest moon in our solar system. Are there…
Interstellar turbulence in the Milky Way distorts light
Radio light from quasar TXS 2005+403 travels roughly 10 billion light-years to reach Earth. It passes…
Stardust in Antarctica shows Earth crossed a supernova cloud
Stars within 10 parsecs (about 33 light-years). This map is based on data from the GAIA…
Baily’s beads seen during a solar eclipse today in 1836
Baily’s beads are beads of sunlight caused when sunlight shines between mountains and other features on…