Guy Ottewell asks, is there a smile across the sky?

Guy Ottewell explores and explains the different view of the current objects near the western horizon from the Northern and Southern Hemispheres.

Why is the Pleiades star cluster called the 7 Sisters?

To most people,, the Pleiades cluster looks like a tiny misty dipper of six little stars. Yet the Pleiades is sometimes called the Seven Sisters. Why?

A new Earthlike planet in the distant Kuiper Belt?

A recent computer model predicts a new Earthlike planet that lies hidden in the outermost solar system. Will we search for it? Will we find it?

Most distant galactic magnetic field yet, in galaxy 9io9

Astronomers using the ALMA telescope have taken a close look at galaxy 9io9. The galaxy's magnetic field is the most distant that scientists have yet seen.

The Habitable Worlds Observatory aims to spot alien life

NASA's future Habitable Worlds Observatory will analyze the atmospheres of exoplanets, looking for signatures of alien life. Read more about this mission.

Starlink satellite disintegrates over the Caribbean

Watch as a Starlink satellite disintegrates on video over the Caribbean on September 6, 2023. See 3 angles of the satellite burning up here.

Newly found bubble of galaxies, a billion light-years wide

Astronomers have discovered an immense bubble of galaxies, 820 million light-years from Earth and a billion light-years wide. They named it Ho'oleilana.

Space junk is increasing, and no one’s in charge of clean up

Space junk is an increasing problem. With more countries and private companies entering space, more junk is accumulating and no one is in charge of cleaning up.

Do we need a new cosmology? Maybe so

The standard model in cosmology can't explain everything. New data from Webb raises questions of whether we need a new cosmology.

Saturn closest and brightest for 2023: Best photos

Earth flew between the sun and Saturn on August 27. Then Earth was between the sun and moon, at full moon on August 30. Photos here of Saturn and the moon!