Project Blue and the quest to photograph exoplanets

The world's collective imagination to answer the age-old question, "Are we alone," has been reignited now that we understand exoplanets – planets in orbit around stars other than Earth's Sun – are not uncommon. There's ...

Unistellar's eVscope successfully finds, images asteroid florence

Last week, 5-km asteroid Florence paid Earth a visit—and, using the advanced features of Unistellar's eVscope, we were able to observe it from a location just outside of San Francisco. This, our first attempt to image an ...

Why we need a new type of SETI instrument

Imagine this scenario: On a world orbiting a neighboring star, a society more advanced than our own has used large telescopes to survey all the planets within a few hundred light-years.  In this sample of a million worlds, ...

Warped meteor showers hit Earth at all angles

Some meteor showers persist for weeks and months, even though Earth sweeps a big arc around the Sun during that time. The meteors arrive from a slightly different direction each day, which is a clue to why these showers last ...

World's biggest radio ear

It's now the biggest single-dish radio telescope on Earth. Settled down in the bumpy karst of China's Guizhou province, about 1200 miles southwest of Beijing, this newest instrument for studying the heavens is very similar ...

OSIRIS-REx says hello to the Allen Telescope Array

The Allen Telescope Array uses 42 radio dishes to search for radio transmissions from ET. How do we know the system is working? To answer that we point the dishes in the direction of a spacecraft we know is transmitting radio ...

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