The mirror on the James Webb Space Telescope is fully aligned and producing incredibly sharp images, like this test image of a star.
NASA/STScI via Flickr
It has taken eight months to test and calibrate all of the instruments and modes of the James Webb Space Telescope. A scientist on the team explains what it took to get Webb up and running.
Nine out of 10 college men who admitted to sexual assault say they took advantage of victims who were intoxicated.
shironosov via iStock/Getty Images Plus
An increasing number of college students say they were victims or perpetrators of sexual assault – and that victims were drunk when the assault took place. Are campus drinking environments to blame?
Burn injuries can lead to disfiguring and sometimes crippling scars.
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Skin grafts for severe burn injuries may require multiple operations over the course of a lifetime to address crippling scars.
When does a ‘clash’ become an ‘assault’?
AP Photo/Maya Levin
In trying to present violent events in ‘neutral’ language, media reports may be ignoring power imbalances when it comes to Israeli police or military violence against Palestinian civilians.
This image shows Sagittarius A*, the black hole at the center of the Milky Way galaxy.
Sagittarius A* is a massive black hole at the center of the Milky Way. Now that astronomers have imaged it, they can begin to learn more about black holes within other galaxies across the universe.
The white ‘bathtub ring’ around Lake Mead, shown on Jan. 11, 2022, is roughly 160 feet high and reflects falling water levels.
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The Colorado River provides water and electricity to 40 million people in the western US, but falling water levels threaten both of those resources.
Wind quickly spread a blaze that burned homes near Flagstaff, Ariz., in April 2022.
Coconino National Forest via AP
Fire season is getting longer, and the result is transforming iconic desert ecosystems. The start to 2022 has been so dire, one governor called for a federal disaster declaration.
Scientists think there are 300 million habitable planets in the Milky Way, and some may be home to intelligent life.
This year, two groups of astronomers plan to send messages containing information about humans and the location of Earth toward parts of space they think may be home to intelligent life.
Burkina Faso’s former President, Blaise Compaore, convicted for the murder of Thomas Sankara.
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The guilty verdict on Blaise Compaoré should be celebrated as a landmark victory for democracy and peoples’ movements in Africa.
A jaguar in Brazil’s Patanal region.
Sergio Pitamitz /VWPics/Universal Images Group via Getty Images
Keeping landscapes connected can help protect wild animals and plants. In the US Southwest, border wall construction is closing off corridors that jaguars and other at-risk species use.
Rocks deposited by vanishing glaciers in the Southern Alps thousands of years ago hold climate clues about the past, painting a bleak picture about the long-term survival of alpine ice in New Zealand.
The Hubble Space Telescope was born from a previous decadal survey. What leaps forward will come from this one?
The astronomy and astrophysics decadal survey for the 2020s lays out plans to search for life on distant planets, understand the formation of galaxies and solve deep mysteries of physics.
Damaged radar arrays and other equipment is seen at a Ukrainian military facility outside Mariupol, Ukraine, Feb. 24, 2022.
AP Photo/Sergei Grits
As war begins between Ukraine and Russia, a range of stories provides context to help readers understand the conflict.
Tidal flooding is creeping farther into coastal towns like Alexandria, Virginia.
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A sea level scientist explains the two main ways climate change is threatening the coasts.
Commercial satellite companies provide views once reserved for governments, like this image of a Russian military training facility in Crimea.
Satellite image (c) 2021 Maxar Technologies via Getty Images
National security professionals and armchair sleuths alike are taking advantage of vast amounts of publicly available information and software tools to monitor geopolitical events around the world.
People are good at avoiding prying eyes, but avoiding online snoops – not so much.
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You have a finely honed sense of privacy in the physical world. But the sights and sounds you encounter online don’t help you detect risks and can even lull you into a false sense of security.
Many workers are stressed out.
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Two years of pandemic have put a severe strain on the mental health of America’s workers. Employers with a plan in place will be best equipped to help them cope.
Washington state was home to some of the nation’s first dispensaries for legalized marijuana.
AP Photo/Ted S. Warren
Colorado, Washington, Alaska and Oregon all experienced big increases in both deposits and lending shortly after legalizing marijuana for recreational use.
2022 is set to be humanity’s busiest year in space.
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With about 200 orbital launches scheduled and ambitious missions on everything from lunar bases to the search for life in the works, there’s a lot to watch in 2022. An astronomer explains the highlights.
Groundwater is used for irrigation and drinking water, but those wells are rarely more than one kilometre deep. A huge volume of salty water exists as much as 10 kilometres below the Earth’s surface.
Groundwater is the second-largest store of water on Earth. Governments and industry use groundwater reservoirs to store waste, but it may also have environmental functions that haven’t been revealed.