Twitter chief Dick Costolo said the microblogging site planned to work with Indonesian authorities to warn people about natural disasters.
A pilot of the plane that crashed in the French Alps left the cockpit before the fateful descent and was left trying to smash the door down but still failed to get back in.
The Central Asian nation of Kazakhstan said at least three of its citizens died in the Germanwings airliner crash in the French Alps.
As Japan prepares to mark the 20th anniversary of a fatal nerve gas attack on Tokyo's subway, experts say the horrifying case still leaves more questions than answers.
Chile declared a state of emergency and ordered the evacuation of up to 16,000 people as a raging forest fire led to at least one death and threatened the historic port city of Valparaiso.
Policymakers gathered with hopes high that the conference in tsunami-hit Japan might provide a springboard for real efforts to tackle natural disastersю
Australia was clearing up after two severe cyclones left a trail of destruction, wrecking hundreds of homes and cutting electricity to tens of thousands.
Two powerful cyclones pounded Australia and left a trail of destruction with houses ripped apart, trees uprooted and power lines torn down.
A strong undersea earthquake unleashed a small tsunami off the same coastline of northern Japan devastated by a tsunami in 2011.
Flags across Taiwan flew at half mast to pay homage to the 40 people killed in a TransAsia plane crash last week.
A Dutch team is to return to the MH17 crash site in war-torn Ukraine to collect more remains of the 298 people killed when the Malaysia Airlines Boeing crashed.
Warning alarms in AirAsia flight QZ8501 were "screaming" as the pilots desperately tried to stabilise the plane just before it plunged into the Java Sea last monthю
Missing airliner MH370 is "very likely" to be found if it lies in the vast undersea zone now being scoured, and is probably in good condition despite being submerged for 10 months.
Indonesian divers made a fresh attempt to reach the main body of an AirAsia plane that crashed in the sea last month with 162 people on board.
Eleven Ukrainian civilians were killed and nearly 20 injured when a long-range Grad rocket apparently fired by pro-Russian insurgents hit an intercity bus .
Indonesian search officials sent divers down to the bed of the Java Sea during a break in bad weather in hopes of recovering more bodies.
New Zealand scientists warned South Island residents to expect a swarm of aftershocks following a strong early morning six-magnitude earthquake.
Weather was the "triggering factor" in the crash of AirAsia Flight 8501 with icing likely causing engine damage, Indonesian officials said.
Recovery teams have found two big parts of AirAsia Flight 8501, which crashed into the sea last weekend with 162 people on board.
Stormy weather forced Indonesian rescuers to suspend their search for the bodies of those on AirAsia's Flight QZ8501.