The New York Times: Science

Take a Number: Every 202,500 Years, Earth Wanders in a New Direction

Take a Number: Every 202,500 Years, Earth Wanders in a New Direction

Earth’s gravitational interactions with other planets — particularly Venus, because it is very near — affect the shape of its orbit.
Global Health: For First Time, W.H.O. Names Some Lab Tests ‘Essential’

Global Health: For First Time, W.H.O. Names Some Lab Tests ‘Essential’

Taking blood for an H.I.V. test at a mobile clinic in KwaZulu Natal, South Africa. The World Health Organization has recommended 113 diagnostic tests it considers essential to every health care system
Alien Asteroids Are Here, Scientists Say. Get Used to Them.

Alien Asteroids Are Here, Scientists Say. Get Used to Them.

Images of the asteroid 2015 BZ509 obtained at the Large Binocular Telescope Observatory near Safford, Ariz. Called “BZ” for short, it orbits the sun in the opposite direction of the planets.
Lanternflies Eat Everything in Sight. The U.S. Is Looking Delicious.

Lanternflies Eat Everything in Sight. The U.S. Is Looking Delicious.

The spotted lanternfly can lay eggs on almost any surface and feeds on a broad range of plants, including many commercial crops.
Pakistan Has Just One New Polio Case, but Isn’t Declaring Victory Yet

Pakistan Has Just One New Polio Case, but Isn’t Declaring Victory Yet

Gul Saima helping her 3-year-old son, Sayyad Karam, outside their home in Dukki, Pakistan. The boy was diagnosed with polio in April, the country’s only new case this year.
Trilobites: The Thing Inside Your Cells That Might Determine How Long You Live

Trilobites: The Thing Inside Your Cells That Might Determine How Long You Live

A colored transmission electron micrograph of a human serous cell’s nucleus, with its nucleolus in purple. The nucleolus functions as the sort of brain of the nucleus, making rRNA, a basic ingredient
Technique Used to Find Golden State Killer Leads to a Suspect in 1987 Murders

Technique Used to Find Golden State Killer Leads to a Suspect in 1987 Murders

The DNA of second cousins helped lead detectives to William Earl Talbott II, who was arrested Thursday in in Washington State in connection with the 1987 murders of Jay Cook and Tanya Van Cuylenborg.
New Youth Center at American Indian Museum Focuses on Invention

New Youth Center at American Indian Museum Focuses on Invention

The main activity space of the imagiNATIONS Activity Center at the Smithsonian’s National Museum of the American Indian includes a 26-foot-long grass-rope suspension bridge made by the Quechua of
Trilobites: The Baby’s Hand Was Mummified. Why Wasn’t the Rest of Its Body?

Trilobites: The Baby’s Hand Was Mummified. Why Wasn’t the Rest of Its Body?

The skeleton of a child found in Hungary was partially mummified by copper from a coin placed in its hand.
A Guide to Gynecological Exams: What Should — and Shouldn’t — Happen

A Guide to Gynecological Exams: What Should — and Shouldn’t — Happen

In most cases, gynecologists use a speculum for pelvic exams, but in the instances when it’s necessary to use their fingers, “you’re going to tell her, ‘I’m going to be touching you,’ ” said one
F.D.A. Approves First Drug Designed to Prevent Migraines

F.D.A. Approves First Drug Designed to Prevent Migraines

Robin Overlock experienced frequent, debilitating migraines that would last days. After participating in a clinical trial for a new drug designed to prevent migraines, she says she now has only
Hail Caesar Salad! Romaine Is Safe to Eat Again

Hail Caesar Salad! Romaine Is Safe to Eat Again

Harvesting season has ended in the Yuma, Ariz. region, leading food safety officials to assure the public that romaine in stores and in restaurants isn’t from the contaminated batches.
Trilobites: A Very Hungry Black Hole Is Found, Gorging on Stars

Trilobites: A Very Hungry Black Hole Is Found, Gorging on Stars

The SkyMapper Southern Sky Observatory near Coonabarabran, Australia, where a team of astronomers discovered a black hole that’s 20 billion times the mass of the sun and eating the equivalent of a

Trilobites: In Virtual Reality, How Much Body Do You Need?

It might be as little as a pair of hands and feet, researchers in Japan found after recording subjects who wore an Oculus Rift headset.
F.D.A. Names and Shames Drug Makers to Encourage Generic Competition

F.D.A. Names and Shames Drug Makers to Encourage Generic Competition

Dr. Scott Gottlieb, the F.D.A. commissioner, has vowed to end drug companies’ practice of preventing generic manufacturers from getting samples as a means of lowering drug prices.