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Bone trove deep in South African cave reveals a new human ancestor, raises mysteries

MAGALIESBURG, South Africa Scientists say they’ve discovered a new member of the human family tree, revealed by a huge trove of bones in a barely accessible, pitch-dark chamber of a cave in South Africa.

The creature shows a surprising mix of human-like and more primitive characteristics ‚Äî some experts called it “bizarre” and “weird.”

Drilling boom’s growing toll: scarred land, threatened water from thousands of waste spills

CROSSROADS, N.M. Carl Johnson and son Justin, who have complained for years about spills of oilfield wastewater where they raise cattle in the high plains of New Mexico, stroll across a 1 1/2-acre patch of sandy soil — lifeless, save for a scattering of stunted weeds.

New crew docks at space station

MOSCOW—A Russian Soyuz spacecraft carrying three new crew docked at the International Space Station today after a safe but unusually long two-day flight.

The arrival of Russia’s Sergei Volkov, Denmark’s Andreas Mogensen, and Kazakhstan’s Aidyn Aimbetov brings the number of astronauts on the orbiting space outpost to nine for the first time since November, 2013.

In Alaska, Obama depicts stark future without action on climate change by US, other countries

ANCHORAGE, Alaska — Submerged countries, abandoned cities and floods of refugees await the world barring urgent action on climate change, President Barack Obama warned Monday, painting a doomsday scenario as he opened a historic visit to Alaska.

Space elevator in works

PEMBROKE, Ont.—Blasting off into space may never look the same if one Canadian company has its way.

Thoth Technology of Pembroke, Ont., is developing a 20-km-high free-standing space elevator that would allow astronauts to launch into space from a platform high above the Earth.

In July, Thoth was granted a U.S. patent for the technology.

Comet 67P, where a European spacecraft landed last year, makes closest approach to the sun

BERLIN — The comet where a European spacecraft landed last year has made the closest approach to the sun of its 6 1/2-year orbit.

The European Space Agency said comet 67P/Churyumov-Gerasimenko reached its closest point to the sun, known as perihelion, at 0203 GMT Thursday.