Science & Tech

Science & Tech

Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.

Aerial view of a solar farm with rows of solar panels installed on grassy fields on a sunny day.
A look back at the rise of solar power in the US and what's next.
Text 'Period Myths' in bold white letters on a black background, surrounded by various-sized red spheres.
10mins
Dr. Jen Gunter debunks the most common myths about menstruation.
parallel universe
The Universe's history, from cosmic inflation to the Big Bang to the present, is known. But whether it's infinite or not is still a mystery.
A small, warm-blooded brown bird with outstretched wings captured in mid-flight against a blue sky.
An excerpt from renowned neuropsychologist Nicholas Humphrey’s book “Sentience: The Invention of Consciousness.”
universe temperature
Although the Big Bang occurred at an instant in time long ago, we still see the light from it. Will the evidence ever disappear completely?
A digital collage featuring a woman's face split with computer code and abstract geometric shapes in green, black, and gray tones, representing the complexity of decision-making.
"How long someone thinks about [a] problem is a really good proxy of how humans behave."
Known as hypervelocity stars, we originally thought just one would be ejected every 100,000 years. The real number is much greater.
A vibrant solar flare erupts from the Sun's surface, showcasing sun activity in 2024 and emitting bright ultraviolet light in this detailed astrophotograph.
Northern lights in the American South, clusters of huge geomagnetic storms—the Sun is throwing a tantrum right on schedule.
Line chart showing body mass index (BMI) trends for various countries. Lines are labeled by country, with silhouetted figures for normal, overweight, and obese categories on the left.
Waistlines are expanding in most countries, except for a skinny list of nations bucking the trend.
A computer-generated image of a bright celestial object with an accretion disk, possibly representing what the sun looked like when it was born.
Newborn stars are surrounded only by a featureless disk. Debris disks persist for hundreds of millions of years. So when do planets form?
Black and white close-up photograph showing the upper part of an elderly person’s face and their white, unruly hair against a dark background.
3mins
Nobel Prize winning physicist Frank Wilczek reflects on Einstein’s greatest contribution.
In December 1968, human beings made their first-ever journey to the Moon aboard Apollo 8. Their most important discovery? Planet Earth.
A 3D structural representation of a protein with intertwined helices and strands, depicted in shades of pink and purple, set against a black background.
"By 2040, we hope to see a number of new drugs that have been designed with AI reaching patients."
An image of a blue and white planet in space with starry background and a bright star on the right.
Out beyond Neptune are some fascinating bodies left over from our Solar System's formation. Could one of them truly be spectacular?
A solar image with digital counter displaying "0:MINUS" overlaid against the background of the sun with solar flares.
To know how to protect its astronauts, NASA needs to first understand the threat.
X-ray images of a shoulder and a wrist with highlighted areas in red indicating injuries or inflammation, set against a colorful, abstract background.
Fixing chronic pain in the body may sometimes require a treatment focused on the brain.
A female physician wearing a lab coat and glasses examines medical images on a lightboard. The background consists of a green and purple abstract design.
Female physicians tend to practice medicine as it should be practiced: with care and compassion.
SARS-CoV-2 first emerged in humans in 2019. Despite much noise generated by lab leak proponents, the evidence indicates a natural origin.
A composite image shows the sun's path in the sky at different times of the year over a grassy landscape, with three arches of sun positions represented by dots, illustrating the earliest solstice.
On June 20, 2024, the summer solstice occurs at its earliest moment since 1796: when George Washington was President of the USA. Here's why.