Earth only has so much space. Over time, the continents have merged and divided on countless occasions. Accordingly, over the past 4.5 billion years, our globe has changed pretty dramatically ...

Other human species followed in the footsteps of Homo erectus, making the same journey beyond their native Africa and into new corners of the globe. Our own species, Homo sapiens, did just this ...

Did the continents spread apart because the planet itself is expanding? No, but a lot of good scientists used to think so. “We’ve Been Wrong Before” is Popular Mechanics' encyclopedia of ...

Earth only has so much space. Over time, the continents have merged and divided on countless occasions. Accordingly, over the past 4.5 billion years, our globe has changed pretty dramatically ...

Where on the globe the first continent sat is unknown, but as the earth’s hot interior continued churning, that landmass split apart as others sprung up.

A 35-year-old Belmont woman has crossed the finish line in Sydney, Australia, to become the first American woman to run seven marathons on seven continents in seven days, according to race organizers.

Concord’s Jeff Doyle kicked off his charitable trek with the NYC Marathon in 1990. In June, he finished his quest off the Chilean coast.

More than 18,000 citizen-scientists in 96 countries submitted 4,591 observations of the darkness of their local night skies during the 10-day GLOBE at Night event last month. The GLOBE at Night Web… ...

It took scientists 375 years to discover the eighth continent of the world, which had been hiding in plain sight all along. But mysteries still remain.

Over southern Luzon stands a plume of ashy smoke (see cut). Mt. Mayon in the Philippines has again blown its graceful top. Most other recent seismic unrest (earthquakes and volcanoes) has also hit ...

If visiting all seven continents is on your travel bucket list, a new cruise from Holland America Line will make it easy for you.. The cruise line’s 2026 Grand World Voyage will traverse the ...