What's the highest temperature water can freeze, and the lowest it can boil on Earth?
Ice can form on Earth at temperatures above 32 degrees Fahrenheit (0 degrees Celsius), and water can boil below 212 F (100 C). Here's how.
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NASA's OSIRIS-REx capsule returns to Earth with a sample from the 'potentially hazardous' asteroid Bennu
A capsule containing 2 ounces of rocky material from the "potentially hazardous" asteroid Bennu has landed safely in the Utah desert after a seven-year mission in space.
Science news this week: Pink diamonds and nuclear 'pasta'
Sept. 24, 2023: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.
See the 'amazing' facial reconstruction of a Bronze Age woman discovered crouching in a 4,200-year-old grave
The skeletal remains of the 'Upper Largie Woman' were found in a quarry in Scotland. Now, scientists have reconstructed the Bronze Age woman's face.
Is glass a liquid or a solid?
Glass has unique properties, but is it a solid or a liquid, or does it fall into its own scientific category?
Pacific lamprey: The jawless fish that survived 4 mass extinctions and sucks prey dry of blood and body fluids
Lampreys belong to an ancient group of fish called Agnatha that evolved 450 million years ago, predating both dinosaurs and trees.
Space photo of the week: The sun's violent corona like it's never been seen before
The sun's outer atmosphere was captured at previously impossible extreme ultraviolet wavelengths thanks to a last-minute engineering hack.
What would colors look like on other planets?
Here's how your brain might adjust to see color on another world.
Landslide reveals 2,500-year-old 'richly decorated' gold necklaces in Spain
A landslide in northern Spain has helped unearth two Iron Age gold necklaces that were likely buried in a hoard about 2,500 years ago.
James Webb telescope finds potential signature of life on Jupiter's icy moon Europa
The discovery of seemingly home-grown carbon dioxide suggests Europa's ice-covered ocean could be habitable.
Bronze Age hexagonal 'pyramid' not like anything 'found before in the Eurasian steppe'
Archaeologists in Kazakhstan have discovered a hexagonal pyramid that served as a burial site in the Bronze Age.
An ancient, ravenous black hole has been hiding an 11-billion-year-old galaxy in its glare
A team of astronomers has used a tricky technique to study an ancient galaxy previously lost in the glare of a blazing quasar.
Roman glass keeps turning into photonic crystals. Scientists finally know why
Analysis of the microscopic structure of an ancient shard of Roman glass has revealed how photonic crystals form, and might enable them to be grown.
At-home DNA tests predict how you'll respond to drugs — but how well do they work?
Pharmacogenomic, or PGx, tests predict how your genes might affect your response to medications. But they have their limitations.
Mysterious 'fossilized' bubble 10,000 times the size of the Milky Way could be a relic from the Big Bang
Astronomers have spotted a gigantic void they believe to be a baryon acoustic oscillation — a relic from when the universe was a fiery plasma soup.
World's oldest aquarium fish 'Methuselah' could be decades older than we originally thought, DNA clock reveals
A new study has found that the famous Australian lungfish Methuselah, who first arrived in the U.S. in 1938, could be up to 101 years old.
Move over, Viagra — this spider's boner-inducing venom could treat people let down by the blue pill
Scientists say a synthetic compound derived from Brazilian wandering spider venom could treat people with erectile dysfunction for whom drugs like Viagra don't work.
What is El Niño?
El Niño is a climate cycle in which waters off the tropical eastern Pacific are warmer than usual, which in turn affects global weather patterns.
Mercury reaches its highest point in the sky this weekend. Here's how to see it.
A bright, yellowish spot in the morning sky is actually Mercury making a rare daytime appearance. Here's how to see it at its highest and brightest this week.
