This simple, at-home method to check hormone levels, using floss, could pave the way for a new generation of monitoring tools for a range of health issues.

What is the green flash? It’s often tied to pirate folklore but also commonly occurs in reality – learn what causes the flash and when to see it.

Learn more about one of the oldest possible art pieces with a fingerprint from Europe, which may represent a human face.

Learn how Vikings traveled the seas by way of trade routes — and how one researcher found out where they stopped to rest on their voyages.

What is the latest archaeological discovery in Egypt? Learn more about the three new tombs of prominent statesmen from Egypt's New Kingdom era .

Learn how archaeologists used radiocarbon dating to debunk one of the most defining moments in British history.

Learn how a study of fossilized teeth has changed what we thought we knew about megalodon’s diet.

What are the Van Allen belts? Learn how these giant rings of charged particles cause problems for astronauts and satellites.

What was the 1859 Carrington Event? As a massive solar flare, this event disrupted global telegraph systems and caused visible auroras all over the world.

Learn more about the instinct that drives cats to bring dead birds or rodents back to your home.

Meet FlexiVol, and interactive 'hologram' that users can manipulate and change, leading to more in-depth analysis of medical scans and even improved video games.

A long-term trial reveals how the powerhouse vitamin D can add anti-aging to its already-impressive list of health benefits.

Learn how this species of worm detects death, resulting in a range of behavioral and physiological responses.

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the edge of our solar system.

Scientists are repurposing this once non-essential organ to grow life-saving tissues on demand and from inside the body.

Learn why researchers identified some of North America's most famous fossils as Traskasaura sandrae.

Learn more about how this hydrothermal system may have provided life on Earth with vital nutrients after the dino-killing asteroid struck.

Learn how ash from volcanic eruptions can alter ice content in clouds, influencing how Earth handles radiation.

Learn more about why we trust people from a low socioeconomic background over those who grew up with privilege.

Sloth size and habitat shifted multiple times over the past 35 million years, but human hunting likely drove the slower, larger species to extinction.

Understanding historical bacteria evolution could lead to better infection control in the future.

Learn why antidepressants are the new hot topic in cancer research, as they can boost the immune system to fight tumor cells.

Learn why more people are choosing dogs over having children and what this says about modern families.

Learn how these tiny clownfish, famous for their role in the “Finding Nemo” films, survive the trouble of heatwaves.

Although there is no exact comparison to any known bacterium on Earth, the space bacteria shares some key genetic similarities with a terrestrial cousin.

Learn how dishwashers release microplastics and nanoplastics that pose environmental risks through polluted wastewater.

Observations show a stronger galaxy piercing a weaker one with a lance of radiation, reducing its star-making ability.

Learn why both human teeth and an ancient fish contain a key sensory substance — but in different locations.

This sparkling solution can aid conservationists as they track at-risk water voles in their natural habitat.

Learn why blue light can have negative, and sometimes positive, impacts on our health, and what to do to combat it.

Learn more about the migrations of East Australian humpback whales, which were traditionally thought to travel from polar to tropical waters to give birth.

Learn more about 'sharkitecture' and how a shark's strong and flexible cartilage could help create advanced materials for every day use.

Multiple obstacles, including vascular connections and immune suppression, made the pioneering bladder transplant procedure a challenge.

Since Alzheimer's disease affects over 7 million people in the U.S., potentially doubling to 14 million by 2050, earlier detection could make a dent in disease progression.

As the Hubble Space Telescope celebrates 35 years in space, here's what to know about the ambitious instrument.

Discover how scientists essentially added a guide molecule to the gene editor to help it insert an entire gene into the most effective place.

Find out where to catch the Milky Way's appearance in the night sky as it becomes more visible with the 2025 summer approaching.

Learn about the prevalence of snoozing after the alarm sounds on an alarm clock or smartphone, and learn more about its potential ties to poor sleep.

Learn more about Indonesia's Mount Lewotobi Laki-laki Volcano and the activity alert system in place that helps keep people safe.

These tiny, weak signals of light may be useful to monitor the health of plants and animals.