New Hubble view of gigantic galaxy

The Hubble Telescope released this glorious image of the spiral galaxy UGC 2885 on January 6. This image was made in part as a tribute to dark matter pioneer Vera Rubin.

Taal Volcano in Philippines spews ash

So far, there've been no reports of casualties or major damage from the event that began Sunday. At this writing, the alert level has been raised to 4: “an imminent hazardous eruption."

Tyrannosaurus rex: the teen years

Growing up Tyrannosaurus rex: A new study from Oklahoma State University provides details about what life was like for the famous dinosaurs during their juvenile teenage years.

Mars is closest to Earth on January 12, 2025

On January 15-16, 2025, Earth sweeps closer to Mars than it will again for another 6 years. Mars is closest to Earth comes a few days earlier on January 12.

Human evolution: 20 years of discoveries

The pace of archaeological discoveries has picked up in recent decades, helping to refine the human story.

See a daytime moon after sunrise

Look west after sunrise for the daytime moon. You'll find it in a blue sky. Watch for the moon in the next few mornings. It'll be higher in the west after each successive sunrise.

Astronomers find wandering black holes in dwarf galaxies

They found massive black holes in 13 dwarf galaxies, which are now among the smallest galaxies known to host such massive black holes. In roughly half the galaxies, the black hole isn't at the galactic center, but instead is "wandering."

Pollen sunset over Austin, Texas

When you see concentric colored rings around a sunset, you might want to grab a tissue. This atmospheric phenomenon results from an abundance of uniformly sized pollen grains, drifting in the air.

Mexico’s Popocatépetl volcano had a spectacular eruption this week

El Popo erupts! Well, it erupts often, but Thursday morning's eruption - which happened at sunrise - was a beauty. El Popo is the nickname for Mexico's most active volcano, Popocatépetl, near Mexico City. The eruption Thursday caused officials to issue a yellow alert.

An impending Milky Way collision is already giving birth to new stars

A newly found young star cluster on the outskirts of our Milky Way seems to be made of material from the Magellanic Clouds. It appears the collision between the Clouds and our Milky Way may already be starting.