Squirrel chase leaves husky stranded high up a tree

In a surprising rescue in northern Indiana, a husky named Aurora gave her family and neighbors quite a scare after she climbed high into a tree while chasing a squirrel.

Canada's Marineland may euthanize whales after Ottawa denies aid, export

Marineland has asked the Canadian government for emergency funding to feed and care for its whales, warning that euthanasia may be imminent without financial help.

Here's when you can see fall's Harvest Supermoon

This month is filled with a Supermoon and two meteor showers worth looking out for.

The 60 invasive aquatic animals of 'greatest concern' in Pennsylvania waters

Pennsylvania officials say nearly 60 invasive aquatic animal species pose risks to the state’s lakes, rivers and streams. These include highly impactful species already spreading, along with dangerous potential invaders that have not yet reached the commonwealth.

NASA has 36 projects you can help with right now

NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific discoveries.

These are the 28 invasive insect species of 'greatest concern' in Pennsylvania

The Commonwealth of Pennsylvania has cataloged 28 invasive insect species that threaten forests, agriculture and ecosystems – with many already spreading in Pennsylvania landscapes.

Yellowstone National Park trail shut down after first bear attack in 4 years

Grizzly bears and black bears coexist in Yellowstone, according to the National Park Service, and it's unclear which one was involved in the attack.

Life on Mars: What we know after NASA's announcement

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.

Study reveals pre-CTE damage in brains of even young contact-sport athletes

An NIH-funded study of athletes under 51 found repeated head impacts can cause early neuron loss and brain inflammation years before CTE is detectable.

Rocks found by NASA's Mars rover offer strongest hints yet of past life

Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.

Hikers on psychedelic mushrooms rescued after getting lost in NY mountains

A hiking trip took a “trippy" turn that ended with a group having to be rescued from a popular mountain destination in New York State last month.