On March 29, two NASA astronauts will carry out the first all-female spacewalk in history. The astronauts' support crew in the control station on Earth will also be led by two women.
Published in “US”
An important meeting between US President Donald Trump and North Korean leader Kim Jong-Un ended suddenly on Thursday when both sides decided they could not agree.
For years Katherine Johnson worked at NASA, doing math that saved lives. It took a long time for her work to get much attention. Now NASA has named two buildings for her.
US President Donald Trump has declared a national emergency to get money to build a wall between the US and Mexico. This unusual move is testing the US system of government.
As electronic devices get smaller and more complicated, it can be hard to know exactly when something is looking at you or listening to you. Two recent news stories help make that point.
Scientists have long wondered why zebras have stripes. A recent study seems to show an unexpected reason - to confuse flies so that it's hard for them to land.
February 14 is Valentine's Day, celebrated as a day for sweethearts in many countries around the world. But in the US, some very famous Sweethearts will be missing - the candy that has been around for more than 100 years.
Measles cases are on the rise in the US, with nearly 80 cases reported in January. The governor of Washington state says the measles outbreak there is an emergency.
The recent US government shutdown has had many serious effects. One interesting effect is that it allowed a group of elephant seals to take over a beach in a national park.
A huge blast of extremely cold weather has swept into the central and eastern United States from the North Pole, bringing dangerously low temperatures made worse by strong winds.