The white diamonds indicate 20 of the 83 small galaxies showing active star formation identified by JWST. The researchers say these galaxies may have emitted enough ultraviolet light to trigger the Era of Reionization. (Image credit: NASA/ESA/CSA/Bezanson et al. 20
Toxoplasma has the ability to invade the reproductive system. (Image credit: wildpixel via Getty Images) Male fertility rates have declined significantly over the past 50 years. A 1992 study found a steady decline in both sperm quantity and quality since…
Microscopic images of lunar volcanic glass. (Photo courtesy of NASA) When the Apollo astronauts first set foot on the moon, they expected to see gray rocks and dust. But they were amazed when they stumbled upon something that looked almost…
The length of the leather boot is 12.6 inches, which is equivalent to US men's shoe size 14. Vindolanda TrustThe first boot found at Fort Magna is in surprisingly good condition, although it is missing its toe. The second boot…
This mummy, known as “Fred,” confirms that the Egyptians practiced embalming for 1,500 years longer than scientists thought. Wikimedia Commons The Turin mummy is approximately 5,600 years old and was initially considered unique in its preservation. Fred was thought to…
Pluto's mysterious blue atmosphere plays a key role in the dwarf planet's climate. (Image credit: NASA/JHUAPL/SwRI) Astronomers using the James Webb Space Telescope (JWST) have once again explored the distant reaches of our solar system and found that Pluto is…