People who got the Covid-19 vaccine reported slightly longer menstrual cycles, but the change was temporary, according to a new study published Tuesday in the journal BMJ Medicine.
The life cycle of plastic begins underground, where oil and gas are extracted from deep below the surface of the planet. These fossil fuels are then refined in facilities, using extreme temperatures and significant amount of water and energy, where they are transformed into pellets that are eventually melted and molded into things like water bottles, packaging, garbage bags and clothes.
You're at risk from lightning during a thunderstorm even when you're inside your home, including while showering or washing your hands. Read on to protect yourself and your family.
Pregnancies from in vitro fertilization using frozen embryos appear to be linked to an increased risk of complications related to high blood pressure, or hypertensive disorders, compared with when fresh embryos are used or when a pregnancy is conceived naturally.
Does bread feel like an unhealthy nutritional splurge? It can be part of balanced eating, dietitians say. They explain how to optimize your bread-eating habits for your health goals, whether you love wheat bread, sourdough bread, white bread, rye bread or pita bread.
A new wave of concern has spread across the United States over multi-colored "rainbow fentanyl" pills, powders and blocks -- that look similar to candy or sidewalk chalk -- being sold and used in several states, and potentially posing a threat to young people.
The NASA Double Asteroid Redirection Test aims to make history on Monday at 7:14 p.m. ET when it slams into Dimorphos, a tiny asteroid moon orbiting the larger asteroid Didymos. The impact, if successful, will slightly change the motion of the asteroid.
More than 15 years after fast radio bursts were discovered, new research has both unraveled and deepened the mystery of the sources of these deep space phenomena.
President Joe Biden's declaration that "the pandemic is over" raised eyebrows and the hackles of some experts who think such messaging could be premature and counterproductive.
It's a hard-fought paleontological debate. Did the massive asteroid that struck Earth 66 million years ago wipe out a thriving and diverse population of dinosaurs, or were they already struggling to survive when that cataclysmic day dawned?
Sight, smell, hearing, taste and touch -- you know them as the five traditional senses. But what if that's not all there is? We kick off the new season of Chasing Life with award-winning science journalist Ed Yong, author of a new book, "An Immense World: How Animal Senses Reveal the Hidden Realms Around Us."