This is a composite image of the active galaxy M82 from infrared observations by Spitzer Space Telecope in three wavelength bands coded in red (longest wavelength), green, and blue (shortest wavelengths).
The Obama administration is awarding $3.4 billion in grants to the 10 winners of the Race to the Top competition.
Louisiana and Colorado, two states lauded for education reform, didn't make the cut in Round 2 of the Department of Education's Race to the Top grants. Some experts were puzzled.
The US Air Force's secret X-37B space plane has boosted itself into a new orbit, say skywatchers.
California Republicans have rejected the idea of a tough immigration law like Arizona's and are reaching out to Latino voters. But they'll be carrying a lot of baggage on that uphill climb.
As the days get shorter the political season is heating up. Primaries Tuesday will affect some of the most interesting races of the year, from Florida’s high-profile Senate contest to Arizona Sen. John McCain’s bid to survive a challenge from the right. Here's what to look for:
Sarah Palin has endorsed conservative candidates in dozens of Republican primaries this year. But her chosen office-seekers have been mostly unsuccessful. Has Sarah Palin lost touch with the Republican primary voters who make up her base?
Governors' races are happening in 37 states in the 2010 election. The candidates focus on different issues depending on their states, but one stands out – state budget deficits.
US investigators may be gaining ground in the fight against international cyber crime. Recent extradition of an alleged hacker from Estonia is latest victory in prosecuting such cases.