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Diligence, technological progress and a little luck have together solved a 20 year mystery of the cosmos. CSIRO/Alex Cherney

Half the matter in the universe was missing – we found it hiding in the cosmos

Cosmologists had only been able to find half the matter that should exist in the universe. With the discovery of a new astronomical phenomenon and new telescopes, researchers just found the rest.
Website defacing can shut down businesses that have moved online during the coronavirus pandemic. Siriporn Kaenseeya/EyeEm via Getty Images

The coronavirus pandemic moved life online – a surge in website defacing followed

Vulnerable websites are popping up as organizations move online during the coronavirus pandemic – and hackers have more time at home alone. The result is more websites falling victim to defacement.
Mating laser-driven atomic clocks like the one shown here with microwaves promises more accurate electronic devices. N. Phillips/NIST

Pairing lasers with microwaves makes mind-bogglingly accurate electronic clocks – a potential boon for GPS, cell phones and radar

Researchers have made some of the most accurate clocks imaginable in recent years, but the trick is harnessing those clocks to electronics. Using lasers to tune microwaves bridges the gap.
A SpaceX Falcon 9 rocket with the company’s Crew Dragon spacecraft onboard is raised into a vertical position on the launch pad at Launch Complex 39A. NASA/Bill Ingalls

SpaceX reaches for milestone in spaceflight – a private company launches astronauts into orbit

SpaceX’s launch of astronauts to the International Space Station will make it the first private company to launch humans to space. The effort has ramifications for NASA and spaceflight in general.
Moderna just released the results of a phase 1 trial for a COVID-19 vaccine. JOSEPH PREZIOSO/AFP via Getty Images

What the phase 1 trials of the first COVID-19 vaccine really mean

Results from phase 1 trials of a COVID-19 mRNA vaccine created a burst of optimism. But details the company failed to release suggest it is too early to speculate whether the vaccine is effective.
The spread of diseases is akin to a maze of toppling dominoes. dowell/Getty Images

What’s an epidemiologist?

Epidemiologists focus on diseases among groups of people. They also study the spread of disease among animals.
Over the last 50 years, a lot has changed in rocketry. The fuel that powers spaceflight might finally be changing too. CSA-Printstock/DIgital Vision Vectors via Getty Images

To safely explore the solar system and beyond, spaceships need to go faster – nuclear-powered rockets may be the answer

An update of 50-year-old regulations has kickstarted research into the next generation of rockets. Powered by nuclear fission, these new systems could be the key to faster, safer exploration of space.
What if you could test yourself for coronavirus with a test in the comfort of your home? John Paraskevas/Newsday RM vis Getty Images

Rapid home-based coronavirus tests are coming together in research labs — we’re working on analyzing spit using advanced CRISPR gene editing techniques

Testing for coronavirus has been a fiasco in the US. But now companies are developing super fast tests, including ones that might eventually be as simple as at home pregnancy tests.
No matter the details of the plot, conspiracy theories follow common patterns of thought. Ranta Images/iStock/Getty Images Plus

Coronavirus, ‘Plandemic’ and the seven traits of conspiratorial thinking

Conspiracy theories about COVID-19, such as those advanced in the video ‘Plandemic,’ tend to pull from the same playbook. Recognizing that can help keep you from falling for this kind of thinking.
The old idea of running with springs on your feet gets a high-tech makeover. Krisztina Braun

Robo-boot concept promises 50% faster running

A high-tech twist on an old idea – running on springs – could give human-powered movement its biggest boost in more than a century.
Dangerous winds batter the south coast of England. AP Photo/Matt Dunham

What makes the wind?

Wind travels all over the world. Where does it come from, and why?