The ‘last mile’ for COVID-19 vaccines could be the biggest challenge yet
A race to develop a COVID-19 vaccine began almost the minute the coronavirus’s genetic makeup was revealed in January. Already, two companies have announced...
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The U.K. is the first country to authorize a fully tested COVID-19 vaccine
The United Kingdom became the first country to approve a fully tested COVID-19 vaccine for its citizens on December 2 when it OK’d Pfizer’s...
A COVID-19 time capsule captures pandemic moments for future researchers
Imagine if, at the height of the 1918 flu pandemic, researchers studying how society was changing had captured the moment in a time capsule....
December’s stunning Geminid meteor shower is born from a humble asteroid
On Sunday night, December 13, countless meteors will shoot across the sky as space particles burn up in our atmosphere and meet a fiery...
Health care workers and long-term care residents should get COVID-19 vaccines first
Health care workers and long-term care facility residents should be at the head of the line when the first doses of vaccines against COVID-19...
China is about to collect the first moon rocks since the 1970s
For the first time in almost half a century, scientists are going to get their hands on new moon rocks. The Chinese space agency’s...
Astronomers spotted colliding neutron stars that may have formed a magnetar
A surprisingly bright cosmic blast might have marked the birth of a magnetar. If so, it would be the first time that astronomers have...
Long-lasting shots work better than daily pills to prevent HIV in at-risk women
Worldwide, nearly half of new HIV infections among adults in 2019 occurred in women. Yet a long list of obstacles has kept many women...
Runaway stars may create the mysterious ultraviolet glow around some galaxies
Hot blue stars kicked out of their cradles may explain a mysterious ultraviolet glow that surrounds the disks of many spiral galaxies. A new...
Dog ticks may get more of a taste for human blood as the climate changes
Climate change could turn some dog ticks into suckers for humans instead of canines. At temperatures around 38° Celsius (100° Fahrenheit), some brown dog...
Snail slime does many jobs thanks to calcium 
How Global Aid Cuts are Undermining Women-Led Humanitarian Response in Sudan 
As Mongolia Hosts COP17, Pastoralists Demand Space to Move, Survive and Restore 
The COVID-19 vaccine may offer brain cancer patients a surprise benefit