To keep communications secure in a post-quantum world, cryptographers are digging down into the concept of cause and effect.

Once dismissed as empty expanses between galaxies, cosmic voids are becoming one of the most promising tools for probing the universe’s biggest mysteries.

A fascinating, unclassifiable orb found in the Gulf of Alaska is not an alien object, as some speculated, but the remains of a poorly documented animal.

The multifarious methods we use to gather experimental data ultimately boil down to counting or comparing.

The impending arrival of El Niño will help keep the number of storms low. But it only takes one landfall to create a catastrophe.

Climate change is helping create conditions that are driving the rodent boom—dubbed a ratada—in Argentina.

One health provider who works on the ground says that basic medical equipment like masks and hand sanitizers are in short supply due to funding cuts.

Major fires are threatening homes and ecologically sensitive areas following a hot, dry winter.

Recreation.gov was supposed to make access to public lands more equitable and streamlined. Instead, it’s rife with bots and inequality, while a government contractor benefits.

Before vaccines, some parents intentionally exposed their children to the virus. In the internet age, that thinking is resurfacing.

CAR-T cell therapy is already a potent treatment for certain cancers. Now, a small study is showing early promise for managing HIV.

The work of Peter Aaby and Christine Stabell Benn has long been controversial. Until Robert F. Kennedy Jr. became US health policy chief, most vaccine scientists tended to ignore it. Now they can’t.

The discovery from the Trinity nuclear test site shows how extreme conditions can result in materials never before seen in nature or in the lab.

States across the US are looking to take major sources of pollution and use them to generate much-needed power.

On May 18, an asteroid about the size of Chicago’s Cloud Gate will fly four times closer to Earth than the moon.

Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless.

Reducing the fee will only have a marginal impact on prices while depriving the government of revenue to maintain roads.

There are no confirmed cases in the US, but 41 people who were potentially exposed to the Andes virus are in quarantine or being monitored for symptoms.

Researcher Sasha Luccioni argues we need better emissions data and a better sense of how people are using AI in the first place.

A University of Nebraska lab has developed a test that can detect the virus before symptoms become severe. Now, it's ready to start testing those returning to the US after a cruise outbreak.

Trump invited the astronauts to the White House when he spoke with them in the middle of their journey around the far side of the moon, saying he wanted their autographs.

A new report from the federal government says an increase in greenhouse gas emissions from the oil and gas industry in 2024 offset decreases in several other industries.

In an interview with Global News, the Canadian astronaut reflected on his historic lunar journey and shared how it reinforced his perspective on humanity.

The four-person crew — commander Reid Wiseman, pilot Victor Glover and mission specialists Christina Koch and Jeremy Hansen — splashed down in the Pacific Ocean last Friday.

NASA says the estimated maximum distance from Earth during today's flyby by the Orion spacecraft will exceed 406,000 kilometres, beating the 400,171 kilometres set by Apollo 13.

Jeremy Hansen, along with two U.S. astronauts, took part in a live question-and-answer session from aboard NASA's Orion spacecraft to answer questions submitted by Canadian kids.

If all goes to plan, Calgary-born Jenni Gibbons won't be on the rocket — but she will still perform a critical role in its launch and voyage through space.

The Lunar Gateway station, largely already built with contractors Northrop Grumman and Vantor, formerly Maxar, was meant to be a space station parked in a lunar orbit.

It's Natalie Wilkie's fourth career Paralympic gold medal for the Canadian flag-bearer and her ninth Paralympic medal overall. She also won a silver on Saturday.

The mysterious depths of the Antarctic Ocean are home to only a handful of sea creatures.

Just for fun, Xavier McKeever and his cross-country ski teammates once tasked ChatGPT to design a training plan for them.