Jupiter is the largest planet in our solar system - some 88,789 miles (142,984 km) at its equator. We pass between Jupiter and the sun this week, and Hubble Space Telescope looked its way.
The enormous ring of light that appeared in the night sky on April 2 - above a thunderstorm in the Czech Republic - was a rare and fleeting lightning phenomenon.
Audubon website lets you enter your zip code to see a list of the best bird-friendly plants for your yard. Plus a free app to identify the birds you see.
Asteroid 2017 GM is one of the 10 closest asteroids known so far to sweep past Earth, and then keep going. At its closest, it was less than 1/20th of the moon's mean distance.
Which one looks brighter to you? One is the combined light of many stars. The other is the light of our own star, the sun, reflecting on grains of dust.
The near-Earth asteroid 2017 FU102 has a very close, but safe, encounter with Earth on April 2, 2017, sweeping to within just over half the moon's distance.