The Houthis, who control the capital, Sanaa, are apparently hoping to exploit a power vacuum left by the resignation of President Abed Rabbo Mansour Hadi and his government.
Yingluck Shinawatra, whose government was removed from office in a military coup in May, has been accused of criminal negligence related to a failed program to prop up the price of rice.
A video purportedly by the militants says "the countdown has begun." Japan says it's still trying to secure Haruna Yukawa and Kenji Goto's release. The Islamists want $200 million for their release.
In the wake of the king's death, he is being remembered as a man who laid the foundation for reform, but also as someone who promised much but accomplished little.
Blind since birth, Julee-anne Bell wasn't comfortable heading out on her own. And when she learned an echolocation technique that gave her more independence, she discovered that it came with costs.
The agency wants every-minute updates on the locations of planes that fly over water, as well as longer-lasting batteries for black-box beacons, following the disappearance of a Malaysian jet.
The wrestlers say World Wrestling Entertainment downplayed dangers in the ring. The WWE says it has "never concealed any medical information related to concussions."
Anonymous officials say the beard of the golden mask of King Tutankamun broke off during a cleaning last year, and was glued back on in a hurry.
We're learning more about the comet that a European Space Agency paired up with its Rosetta probe last fall. For one thing, it has "goosebumps" on steep cliff faces. It's also highly porous.