Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog…
Category: Earth Sky
What time is it on Mars? The 1st precise answer
What time is it on Mars? The Earth-orbiting Hubble telescope snapped this picture on June 26,…
Proximity to a supermassive black hole doesn’t spell doom
Sgr A* marks the supermassive black hole at the center of our Milky Way galaxy. The…
Mercury’s sodium tail is now appearing in special filters
View at EarthSky Community Photos. | Steven Bellavia captured Mercury’s sodium tail on the morning of…
Did we just see dark matter? Scientists express skepticism
The Fermi Gamma-ray Space Telescope captured this gamma-ray view of our Milky Way galaxy between 2009…
Tally of near-Earth asteroids passes 40,000
The European Space Agency announced that astronomers have now discovered over 40,000 near-Earth asteroids. This illustration…
Before their big smashup, Theia and Earth were neighbors
View larger. | Theia and Earth collided about 4.5 billion years ago, as depicted in this…
OSIRIS-APEX mission to asteroid Apophis soars past Earth
NASA’s OSIRIS-APEX spacecraft captured this view of Earth as it soared some 2,100 miles (3,400 kilometers)…
Are water-carved caves on Mars hiding alien life?
View larger. | The 8 potential water-carved caves on Mars – called karst caves – are…
What if a small black hole devoured you?
View larger. | Artist’s concept of a black hole system containing a dormant black hole orbiting…