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Scientists have discovered a cave that may be the largest in Canada, and it’s never been seen before by humans

A massive, unexplored cave in British Columbia could be the largest in Canada. Researchers surveyed the enormous cave in September.
A wide-angle photo of the red planet taken from about 4,700 miles away by NASA's experimental Mars Cube One satellites.

NASA’s new Mars mission just landed — and it could reveal why Earth is habitable but the red planet is not

While online shoppers celebrated Cyber Monday deals, a group of NASA scientists cheered the successful landing of the $830 million InSight Mars probe.
An illustration of NASA's InSight probe attempting to land on the surface of Mars

NASA’s InSight probe must survive ‘7 minutes of terror’ to land on Mars. If it does, here are some incredible discoveries the robot ...

NASA's InSight Mars mission will attempt unprecedented science on the red planet, including probing Mars' temperature and listening for Mars quakes.
The moon as seen by astronauts in space.

The moon has ice on its surface in hundreds of places — and it could be the ‘first step in building a space economy’

The moon's cold, dark craters near its north and south poles contain water ice directly at the surface, a new study confirms. If the deposits are large enough, people or robots could harvest the water, split it into hydrogen and oxygen, fuel up rockets, and launch a new era of space exploration.
Diamonds are less rare than you probably thought.

There are over a quadrillion tons of diamonds lurking 100 miles below the Earth’s surface, according to scientists

Scientists used sound waves to uncover a cache of more than a quadrillion tons of diamonds deep below the Earth's surface. The diamonds, however, are impossible to mine — they're located far deeper than any drills are capable of reaching.
President Donald Trump holds a space astronaut toy.

Each year the government asks 10 simple questions to test the public’s knowledge of science. Can you correctly answer them all?

Every two years, The National Science Foundation is required to tell the president how the US is doing in regard to science and engineering. The 2018 report is out, and the news is ok but not great. See how you perform on the NSF's quiz to test public fluency in science.
A sinkhole that developed on the White House North Lawn, May 2018.

The White House lawn has developed a growing sinkhole — here’s probably what caused it

A sinkhole seems to have opened up on the White House's North Lawn. Sinkholes emerge when caverns are carved out by water in the ground, sometimes from heavy rains. Areas where the bedrock is limestone or salt are the most susceptible.

The White House lawn has developed a mysterious sinkhole that’s ‘growing larger by the day’

Even the pristine White House lawn is not immune to sinkholes, a phenomena that occurs when rainwater seeps inside a tiny crack in the ground to the sediment beneath.

An earthquake expert told us there’s one neighborhood in San Francisco where she’d never live

There's a 76% chance that the Bay Area will experience a magnitude 7.2 earthquake before 2047. Some areas are safer than others.
Lava flows from the crater of Mount Mayon volcano during a new eruption in Legazpi city, Albay province, Philippines January 25, 2018.

Geologists take burning-hot lava samples from active volcanoes — here’s how they do it without getting hurt

Geologists study lava to help understand the inner workings of volcanoes.