Colliding Neutron Star Discovery Could Solve This Mystery About Our Expanding Universe

Today, physicists across the world celebrated as telescopes and observatories on Earth and in space captured a “kilonova.” Two neutron stars collided 130 million light years away, sending gravitational waves, x-rays, gamma-rays, radio waves, and light waves to the Earth. But these events also serve as a new kind of…

Here Are Our First Exciting Glimpses of Mars From Europe's New Orbiter

In case Schiaparelli’s crash-landing left you thinking the European Space Agency’s ExoMars mission was a bust, rest assured it wasn’t. The mission’s scientific workhorse—its Trace Gas Orbiter (TGO)—is performing beautifully, as evidenced by the first images and splashes of data ESA has now received back from the Red…

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