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Galaxy cluster MACS J1149.5+2223 taken with the Hubble Space Telescope. The inset image is the very distant galaxy MACS1149-JD1. ALMA (ESO/NAOJ/NRAO), NASA/ESA Hubble Space Telescope, W. Zheng (JHU), M. Postman (STScI), the CLASH Team, Hashimoto et al.

When did the lights first come on in the universe? A galaxy close to the dawn of time gives a clue

Astronomers have indirectly spotted some of the first stars in the universe by making their most distant detection of oxygen in a galaxy that existed just 500m years after the Big Bang.
Supporters of President Nicolás Maduro hold drawings of him and late President Hugo Chávez during a closing reelection campaign rally in Caracas, Venezuela, Thursday, May 17, 2018. (AP Photo/Ariana Cubillos)

In Venezuela, to do research is to fight for civilization

As Venezuela’s May 20 election approaches, scholars and students at the country’s autonomous universities continue the fight for knowledge and freedom.
People transporting gasoline by boat in Indonesia’s Kayan Mentarang National Park. ESCapade/Wikimedia Commons

One-third of the world’s nature reserves are under threat from humans

The world’s national parks cover an area bigger than South America. But a new survey finds that one-third of this area is subject to pressure from human developments, potentially putting wildlife at risk.
The statue of Captain Cook in St Kilda, Melbourne, was painted pink on January 25 2018. DAVID CROSLING

How Captain Cook became a contested national symbol

The federal government will spend nearly $50 million over four years to commemorate Captain Cook’s first landing. But some have questioned the spend.

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