Draw a planet (a circle, right?). Now draw a star (a pointy thing, yes?). Now ask yourself, aren't stars all round? Our sun is. So why do we make them pointy? Come learn the answer.
The X-class Coronal Mass Ejection, or CME, that erupted on the sun on Wednesday is not expected to cause major disruptions to the electrical grid or communications.
Under pressure from the United States, Mexico has begun arresting and deporting tens of thousands of Central Americans long before they reach the U.S. border.
The Central Intelligence Agency says the Sunni militant group can "muster between 20,000 and 31,500 fighters." Earlier, the agency had estimated ISIS had at least 10,000 fighters.
Newly released court documents reveal details of a battle between Yahoo and the Obama administration. The government pressured Yahoo to disclose some users' data for a secret NSA surveillance program.
The company says it fought the order in a secret court and lost. Today, that same court finally unsealed documents of a pivotal decision that allowed the U.S. to spy on Internet users.
Last Friday Dr. Rick Sacra was flown from Liberia to Nebraska in a special medevac plane to be treated for Ebola. After receiving two experimental therapies, Sacra's condition has improved.
It roamed land and sea and snacked on giant fish. The first few spinosaurus bones were discovered a century ago, but destroyed in WWII. A more complete, second specimen reveals a terrifying predator.
The theme park says a 2013 documentary critical of its captive orca attraction has hurt its bottom line. Now, it's pushing back with a social media campaign and plans for new habitats for its whales.
Some leaders of this extreme city sport where people run, jump and slide on streets and over buildings, hope to slip into the games by courting the International Olympic Committee.
Texas restrictions on abortion providers have led many clinics to close. Poor women in some spots, like the Rio Grande Valley along the Mexican border, have lost their access to abortion services.
Contrave will be available in pharmacies this fall. But the companies working on the drug's marketing won't say how much it will cost.
In an interview with NPR, Rice said the U.S. will not be drawn into a ground war in Iraq and Syria, even if local forces are insufficient at containing the Sunni militants.
Kiel delighted moviegoers with his quiet menace and his metal teeth in the role of Jaws, the Bond villain henchman who not only survived his encounters with 007, but also lived happily ever after.
Some say our military has a big role to play in bringing Ebola under control. But sending in troops is trickier than it sounds.
The rare virus is spreading fast, and doctors don't have an instant test to find out who has it. So parents should be ready to seek help quickly if a child has a cold that's rapidly getting worse.
The president has opted for an open-ended air campaign to fight the Islamic State. A look at what it will take to make the plan work and the risks that could cause it to fail.
For those who think there are not enough hours in the day, researchers may have just offered you a solution. The brain can continue tasks even while asleep, a study finds. Texting not included, alas.
For the first time since the killing of Osama bin Laden, the U.S. president had a symbolic figure to rail against – one potent enough to rally the country around.
A report from the AP quotes an unnamed law enforcement official saying police had sent a video to the NFL that showed Rice punching his then-fiancee.