The icy surface of Jupiter 's moon Europa appears to be constantly changing, new data from the James Webb Space Telescope has ...

The innermost planets straddle nighttime, with Mercury in the evening and the greatest western elongation of Venus in the ...

The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on ...

A series of experiments led by Southwest Research Institute's Dr. Ujjwal Raut support spectral data recently collected by the ...

The surface ... three of Jupiter’s moons - Ganymede, Callisto, and Europa. Check out our guide to the best cameras for astrophotography, and the best lenses to capture the night sky.

Since the new moon on Dec. 23, the lunar surface has gradually been ... their closest point together in the night sky, called an appulse. Look for Jupiter to the northwest of the moon — the ...

Look again to the southwest after dark to see a 32%-lit waxing crescent moon closing in on Jupiter, the brightest planet in the night sky ... lit as seen from the surface of Earth.

This weekend will bring a striking event for sky watchers, as Jupiter is will be at its biggest ... then try resting your elbows on a solid surface to keep as still as possible.

Mars and Jupiter are cozying up in the night sky for their closest rendezvous this decade.They'll be so close Wednesday, at least from our perspective, that just a sliver of moon could fit between ...