Yellowknife, which was recently evacuated due to the threat of wildfires, has become overrun with black bears that have moved into the empty streets in search of food.
The sun has launched a surprise CME directly at Mars, which could spark auroras and damage the Red Planet's atmosphere when it hits on Sept. 1.
Researchers estimated that as few as 22 people would be needed to sustain a colony on Mars. But there are lots of caveats, and the new study largely misses the point of colonizing the Red Planet in the first place, experts say.
The Canadian town of Churchill has already had more than four times as many polar bear visitors this year compared with the same time last year, and many more could soon be on the way.
The newly discovered species, Prosaurosphargis yingzishanensis, grew to around 5 feet long and was covered in bony scales called osteoderms.
The see-through cephalopod was spotted by researchers exploring the deep sea surrounding Alaska's Aleutian Islands.
Comet Nishimura has a hyperbolic orbit, which suggests that it may have come from outside the solar system and will likely be catapulted into interstellar space after slingshotting around the sun.
The team of researchers and conservationists will collect scientific data, while also training the next generation of environmentalists.
From UFO-like rings and whirlpools of light to rainbow clouds and laser lines, here are 10 strange visual phenomena that can be easily explained by science.
For the first time, researchers were able to transmit, or "tunnel," sound waves across extremely small distances between two crystals in a vacuum.
A patchwork of polygon-shaped cracks in ancient Martian mud are evidence of past wet-dry cycles, which could have helped extraterrestrial life emerge on the Red Planet.
A 20-story rock face in Alaska known as "The Coliseum" is covered with layers of footprints belonging to a range of dinosaurs, including a tyrannosaur.
The Hirota people, who occupied a Japanese island for around 400 years, deliberately flattened the back of their children's heads. And experts are not entirely sure why.
The Landsat 8 satellite captured the deadly flames that burned through the town of Lahaina in Hawaii and killed at least 99 people.
The exploding comet, known as 12P/Pons–Brooks, is currently approaching its closest point to Earth during its 71-year orbit through the solar system.
Dozens of circular loops made from smoke and volcanic gas are rising from a peculiar vent on Mount Etna every day.
NASA's Perseverance rover is perfectly positioned to snap pictures of massive sunspots that could spit out powerful solar storms before they become visible from Earth.
The recent launch of a SpaceX Falcon 9 rocket in California created a gap in Earth's ionosphere, which resulted in a blood-red glow across the sky visible for hundreds of miles.
The composition of an unusual meteorite suggests that it formed on Earth, spent thousands of years in space, then reentered the atmosphere. But some experts disagree.
Researchers now understand why there is an uneven distribution of animal species on either side of the mysterious boundary, known as the Wallace Line.
The suspected attack, which occurred Montana, comes after officials warned that grizzly bears were moving into new areas in the state as their numbers grow.
By combining high-definition maps with sensors that detect changes in the water column, researchers have created a "centimeter-scale" picture of how currents and tides shape the Monterey Canyon.
In the letter, the famous physicist also writes that God can be thought of as "analogous to humans."
The invasive fish, known as a pacu, originates from South America and has evolved human-like gnashers to accommodate its varied diet.
The pair of newfound species, as well as two previously known species unearthed in the same place, rewrite what we knew about these prehistoric predators.