One reason is that it would take the Curiosity rover about a year to get there, even with no obstacles and no traffic. But the other reason might surprise you.
In his U.N. speech, President Obama cited improved ties with Cuba as an example of his commitment to diplomacy. But in his remarks, Cuban leader Raul Castro laid out a series of demands.
Californians have really stepped up water conservation due to the drought. Some cities are selling almost half as much water as they normally do. But there's a big downside for water agencies — lost revenue. People using less water means major budget shortfalls.
A congressional report scheduled for release Tuesday suggests some 30,000 people worldwide have gone to Syria to fight in recent years. That includes some 250 Americans who've gone there and to Iraq.
Russia's military buildup in Syria has raised alarms in the West, but many Russians see it as necessary to counter Islamist extremism. Russian analysts say Putin risks involvement in a quagmire.
Eighteen charges remain against Menendez and an eye doctor, Salomon Melgen. The men are accused of engaging in a bribery scheme involving lavish trips and political campaigns.
Lots of politicians, Democrat and Republican, want to cut the number of brackets in the name of simplification. Here's what's wrong with that argument.
Khaled Alkojak, 31, fled his country's civil war and came to the U.S. via Mexico. He says he hopes to be granted asylum, though he's already been denied once. He has a work permit — and a new wife.
Senators agreed to limit debate on a measure to fund the government through Dec. 11 without stripping funding from Planned Parenthood. They're expected to approve the bill and send it to the House.