Satellite News

Why are sunspots black? According to astronomers, it may be a big, cosmic optical illusion.

NASA’s Juno spacecraft skimmed close above the surface of icy Europa Thursday (Sept. 29), capturing a view of the crust that is just the start of our new study of this ocean world.

The brightest star in the constellation of Scorpius, Antares will appear below the moon on Friday evening.

Stars differ in size, luminosity and distance from us. We discuss how astronomers measure these three values to understand the three-dimensional sky.

Firefly planned to send its Alpha rocket to orbit on a test flight early Friday morning (Sept. 30), and it ticked off a lot of boxes along the way — including engine ignition.

Astronauts could visit the Hubble Space Telescope again someday, this time on a SpaceX Dragon.

The James Webb Space Telescope and its older counterpart Hubble photographed the impact of NASA’s asteroid-smashing DART probe into the space rock Dimorphos on Monday (Sept. 26).

NASA’s Ingenuity Mars helicopter has taken flight again, staying aloft for nearly a minute this past weekend on its 33rd extraterrestrial sortie.