Indian security forces gunned down 31 Maoist rebels in the forests of country's central state of Chhattisgarh on Sunday, police said, in its biggest encounter this year. Two security personnel were ...

Gunmen have attacked a convoy of vehicles escorted by Mali's army, killing 25 civilians mostly gold miners, a military spokesman said Sunday. It was the deadliest attack on civilians this year. The ...

Life has evolved because of multitude life-forms. Each species creates its own niche, or role, in communicating information ...

Re: Tom Pearson's letter to editor 1/18. Mr. Pearson's response to the "Spotlight on Climate" article sounded so hopeless.