Everything is made of matter, not antimatter, including black holes. If antimatter black holes existed, what would they do?
Having grown kids still at home is not likely to do you, or them, any permanent harm.
Washington believed that particular Thanksgiving in 1789 was a crucial occasion.
Philosophers and scientists spent millennia arguing about the nature of light. It turned out to be stranger than anyone imagined.
Video cameras on city streets are only the most visible way your movements can be tracked.
Einstein's "happiest thought" led to General Relativity's formulation. Would a different profound insight have led us forever astray?
Is the time crystal really an otherworldly revolution, leveraging quantum computing that will change physics forever?
A dispute marked by flags and booze has been replaced with an official land border.
In May 2018, the city of Paris set an ambition to be carbon-neutral by 2050.
Many still cling to the idea that we live in a deterministic Universe, despite the nature of quantum physics. Now, the "least spooky" interpretation no longer works.
Astronomy's roots rest in the very origins of humanity. We have always looked to the skies for answers. We are starting to get them.
The universe is only 13.8 billion years old, but we can see back 46.1 billion light-years. Here's how the expanding universe does it.
The federal government and private insurers greatly increased Americans' telehealth access during the pandemic. Will these changes be permanent?
It occurred naturally, and scientists know this for certain. Starting in late 2019, a novel strain of coronavirus, SARS-CoV-2, began infecting human beings for the very first time. Discovered in samples […]
The Big Bang was hot, dense, uniform, and filled with matter and energy. Before that? There was nothing. Here's how that's possible.
More than 20% Americans live in a state with access to a medically assisted death.
Chess was once blamed for triggering mental health problems, including suicide and even murder. Today, the same is said of video games.
Fossils of Australopithecus in a South African cave are one million years older than previously thought. This challenges the consensus that humans first evolved in East Africa.
As a form of civil disobedience, hacking can help make the world a better place.
A brief passage from a recent UN report describes what could be the first-known case of an autonomous weapon, powered by artificial intelligence, killing in the battlefield.