jessica oliva

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Seven spectacular weather events – and what causes them

Stephen Lewis, <i>The Open University</i><p>The weather might seem like it creates weeks of dreary, grey drizzle. But it can also put on a truly sensational – …

OLYMPEX exposed: Inside the flying NASA lab that’s probing our rain clouds

<b>JOINT BASE LEWIS-McCHORD, Wash.</b> – I’ve looked at clouds from both sides now – from below, on the receiving end of an all-day rain; and from above, …

General relativity at 100

In November 1915, Albert Einstein put the finishing touches on his radical reinvention of space, time, gravity and the Universe itself. Throughout …

NASA, Russia working together again on a mission to explore Venus

Mission may allow NASA to land for the first time on the planet closest to Earth.<p>After more than a year on ice due to Russia’s aggression in Ukraine, …

Astronomy

Leading Harvard physicist has a radical new theory for why humans exist

For example, an astrophysicist might say that the chemical components of our bodies were first forged in the nuclear fires of stars.<p>On the other hand, an evolutionary biologist might look at the similarities between our DNA and that of other primates' and conclude we evolved from apes.<p>Lisa Randall, …

Dark Matter

What is the Shape of the Universe?

If you could somehow manage to step outside of the universe, what would it look like? Scientists have struggled with this question, taking several …

Universe

Over a thousand years ago, the sun exploded — and changed life on Earth forever

Not by aliens, but by a natural event—and it was very, very powerful.<p>Whatever it was, it subtly altered the chemistry of our planet's atmosphere, creating trace amounts of radioactive elements like chlorine-36, beryllium-10, and carbon-14.<p>And those provide the clue to what the event was: Those …

Particles