What is the Kardashev scale used by Elon Musk?
Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the…
6,000-year-old infant from ancient Mesopotamia shows one of the world’s oldest signs of child abuse
A 6,000-year-old infant buried in ancient Syria has given researchers what looks like the oldest known case of…
Five things to watch for in the Canadian business world in the coming week
TORONTO — Five things to watch for in the Canadian business world in the coming week: ARC shareholder…
The Sun ejects roughly a billion tons of charged plasma in a single coronal mass ejection — and it can cross 150 million kilometers to Earth in under 18 hours
A coronal mass ejection is the Sun throwing a piece of itself at the rest of the solar…
Earth’s inner core is not rock but a sphere of solid iron-rich metal, smaller than the Moon yet probably more massive. As the planet gradually loses heat, liquid metal freezes onto its surface, expanding it by roughly a millimetre each year.
The centre of Earth is easy to imagine wrongly. It is not a cavern, not a furnace of…
Wildfires kill long after the flames have gone | Wildfires
The wildfires sweeping across Europe are damaging precious habitats, destroying property and taking people’s lives (Fast-spreading wildfire kills…
A red dwarf star called TRAPPIST-1, just 40 light-years from Earth, hosts seven Earth-sized planets — including three orbiting in the narrow zone where liquid water could potentially survive
TRAPPIST-1 is not impressive by the usual standards of stargazing. It is too faint to see with the…
Australia spent millions fighting cane toads, then native predators solved the issue for free
For decades, Australia has tried to rein in cane toads by investing in disease-focused research, fungal approaches, scent-based…
Experts warn of ways screwworm could spread in the US and new difficulties in keeping it at bay | US news
When conservationists set up cameras in remote regions of Central American forests, they wanted to monitor illegal cattle…
Why space games still struggle with the scale of the universe
Space is incomprehensibly vast. So huge that the human mind struggles to even conceptualize it. The observable universe…
Taiwan takes gold at Physics Olympiad
By Rachel Lin and Esme Yeh / Staff reporters Taiwan tied for first with five golds at the…
800-pound moose gets stuck on Newfoundland highway divider, until farmer steps in
A stranded moose on a Newfoundland highway divider turned one dairy farmer into an unlikely hero after he…