EarthSky’s lunar calendar: How to use this great gift!

As your can see, EarthSky’s lunar calendar shows the moon phases for each day of the…

Space Force to track ‘abnormal objects of unknown origin’

The U.S. Space Force tracks many different objects near Earth such as human-made debris, commercial satellites,…

Nearby exoplanet is Earth twin, but hot as a pizza oven

View larger. | This is an artist’s concept of LTT 1445Ac, an Earth-sized exoplanet orbiting a…

Where is Voyager 2 going? And when will it get there?

The Voyager 1 and 2 spacecraft are identical. In this artist’s concept, one of the twin…

World’s largest optical telescope – the ELT – going up in Chile

The European Southern Observatory (ESO) is adding the world’s largest optical telescope to its collection of…

Shrinking exoplanets? Here’s how it happens

View larger. | Artist’s concept of the sub-Neptune exoplanet called TOI-421 b. In a new study,…

How to see Earth’s shadow at sunrise and sunset

Learn how to see Earth’s shadow and the Belt of Venus in this video. Earth’s shadow…

Jupiter’s Great Red Spot is shrinking! See photos

View at EarthSky Community Photos. | Makrem Larnaout in Tunis, Tunisia, captured this image of Jupiter’s…

‘Bouncing comets’ could spread the seeds of life

Artist’s concept of comets orbiting a young star. A new study suggests that in some newly…

Betelgeuse will dim or disappear during asteroid pass

View at EarthSky Community Photos. | Sergei Timofeevski shared this image from November 13, 2023. Sergei…