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Asylum-seeking migrants from Colombia, Cuba and Venezuela arrive on U.S. soil, after crossing the Colorado River, from Mexico on Feb. 21, in Yuma, Arizona.

With Cubans leaving en masse, much of Cuba's real estate is up for sale

Cubans are fleeing because of a steep economic downturn. Immigration is a big issue as leaders meet at this week's Summit of the Americas — but communist-controlled Cuba isn't invited.

A Bitcoin ATM is seen at a subway station in Brooklyn Heights in New York City on June 13. Bitcoin and other cryptocurrencies have plunged in value in recent days.

Why cryptocurrencies have gone from the next hot thing to a full-on meltdown

Bitcoin and other cryptocurrencies are plunging. Here's what to know about a market that just a few months ago was being touted as the future of finance.

Coronavirus FAQ: What does endemic mean — and are we there yet?

Two years ago, on March 11, 2020, the World Health Organization declared a global pandemic. Now there's talk that we may be approaching a new stage for SARS-CoV-2. Let's unpack the word "endemic."

A female bear and two 1-year-old cubs walk over snow-covered freshwater glacier ice in Southeast Greenland.

In a place with little sea ice, polar bears have found another way to hunt

An isolated population of polar bears in southeast Greenland has learned to hunt on freshwater glacier ice. That means they may be able to survive longer as climate change makes sea ice scarce.

People protest during a rally calling for more government action to combat the spread of monkeypox at Foley Square on July 21, 2022 in New York City.

Critics say 'monkeypox' is a racist name. But it's not going away anytime soon

Scientists call the name "discriminatory and stigmatizing." The World Health Organization agrees. But no progress has been made on finding a new name. And some say the name doesn't need changing.

Russian President Vladimir Putin shakes hands with President Biden prior to the U.S.-Russia summit at the Villa La Grange, in Geneva on June 16, 2021.

The White House wants to focus on China, but Russia continues to be a distraction

President Biden has worked to focus his foreign policy on China. But provocations from Russia keep pulling him away.

The Voyager spacecraft have ventured far outside our solar system. Now a team of scientists are hoping to take the next interstellar mission even farther.

If NASA greenlights this interstellar mission, it could last 100 years

Scientists who want to understand what's beyond our solar system have designed an interstellar spacecraft that could go out farther and faster than the famous Voyager probes.

A sign tells customers of limited supplies of baby formula at a grocery store in Salt Lake City on Tuesday.

White House bolsters efforts to get baby formula into the hands of WIC recipients

States have been asked to increase accessibility of baby formula for recipients of the low-income program. And the Food and Drug Administration is looking at ways to make it easier to import formula.

UFC announcer and podcaster Joe Rogan speaks at the weigh in before a UFC on FOX 5 event in Seattle, on Dec. 7, 2012.

Spotify says Joe Rogan isn't going anywhere

In a message to employees, CEO Daniel Ek condemned Rogan's comments on vaccines and use of racial slurs, but said he didn't believe that "silencing Joe is the answer."

A health worker vaccinates a Kenyan child with the world's first malaria vaccine. Kenya has given at least one dose to 300,000 children so far.

First malaria vaccine hits 1 million dose milestone — although it has its shortcomings

The vaccine couldn't have come at a more critical time, with a surge in cases and deaths from malaria during the pandemic. But its efficacy — and its schedule — are far from ideal.

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