Like some other metals, copper oxidizes when left out in the elements, but the coloring process is complicated.

High-energy eruptions of radiation from the sun's atmosphere can sometimes launch blobs of plasma toward Earth.

A white dwarf star exploded in a supernova and survived, reappearing even brighter than before. In a new study, scientists hypothesize why.

The baby was only one month old and grazing at the time of its death.

Some species of turtles age very slowly or not at all, according to new studies of both captive and wild populations. How do they do it?

This cephalopod is related to modern vampire squid.

Soda's effervescence comes from processes that super-saturate the liquid with carbon dioxide, which later escapes from the soft drink as tiny, effervescent bubbles.

Mummies have fascinated people for centuries, and have even been ground-up and used as medicines.

Ever take a sip of a flat soda? Here's the chemistry behind it.

Of the 13 mass school shootings in the U.S., the three most deadly occurred in the last decade. Data from these attacks helped criminologists build a profile of the gunmen.

Race and ethnicity are terms that are sometimes used sloppily, almost interchangeably. But race and ethnicity are not the same thing.

Google engineer Blake Lemoine was suspended for sharing transcripts of a conversation with the AI system LaMDA, which he claims is sentient.

If you’re looking to study small objects, or know someone that is, this high-tech microscope is worth a look.