Helen Reese

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Astronomers built the largest map of “holes” in the universe to prove Einstein was right about gravity

Since its discovery in 2008, astronomers have been puzzled by a cosmic mystery so vexing that it has even led some to question whether the general theory of relativity—Einstein’s masterpiece theory of gravity—is wrong on cosmic scales. The trouble is that light travelling through the universe does …

Dark Matter

Saudi Arabia executes one of its own young princes for murder for the first time since 1975

Saudi Arabia has executed one of its own young princes for the first time in 40 years, sending what analysts described as a “strong message” to younger royals that they are not above the law.<p>Prince Turki bin Saud bin Turki bin Saud al-Kabeer was beheaded on Tuesday afternoon for murder after he …

The world’s biggest nuclear fusion experiment may lead to endless clean energy

Thirty-five countries are working together to build the world’s first large-scale nuclear fusion reactor—and if successful, their efforts could help humans harness the “ultimate green energy.”<p>The reactor, currently estimated to cost $20 billion, is now under construction in southern France. Nuclear …

Energy

Keeping our planet cooler just got a little easier

It’s October, so a lot of people aren't thinking about air conditioning right now. But spare a thought for this wonderful modern convenience, because the way we cool our homes and businesses is going to be changing over the next few years.<p>Most of the world's air conditioners, refrigerators and …

How A Trump Presidency Would Ruin The Long-Term Future

From the climate to the economy to terrorism, the effects of Trump’s policies would haunt the world long after he left office.<p>“We’re only looking at four years.” So said Ben Carson about the possibility of Donald Trump turning out to be “not such a great president.” But the impacts of decisions …

Donald Trump

No Number Of Additional Galaxies Can Prevent The Universe From Needing Dark Matter

It was perhaps the biggest news in space since we detected gravitational waves: instead of “billions and billions” of galaxies, there are at least two trillion of them — that’s 2,000,000,000,000 — within our observable Universe. Previously, the best estimate was merely 170 billion, coming from …

Universe

Researchers say giant asteroid to hit earth, but Nasa says not in the immediate future

Nasa refuted the claims made by other astronomers saying that Earth is likely to be hit by the deadly asteroid 2000 ET70.<p>A giant, mountain-sized and …

Why hospital infections are a bigger threat than HIV, influenza and tuberculosis

If you're in hospital, take care - take very good care. A new study suggests the risk of hospital infections is higher than that of a number of …