China's 500-meter FAST radio telescope is now operational

The world's largest and most sensitive radio telescope is officially open for business, according to Xinhua, China's official state-run media. The FAST Radio Telescope saw first light in 2016, but has been undergoing testing ...

Mass estimated for two binary pulsars

By performing timing observations, an international group of astronomers has measured the mass of two binary millisecond pulsars designated PSR J1949+3106 and PSR J1950+2414. The results could be essential in order to unveil ...

New Arecibo Observatory message challenge announced

In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, and with the help of the ...

Arecibo radar returns with asteroid phaethon images

After several months of downtime after Hurricane Maria blew through, the Arecibo Observatory Planetary Radar has returned to normal operation, providing the highest-resolution images to date of near-Earth asteroid 3200 Phaethon ...

Halloween asteroid prepares to return in 2018

There is one year to go until asteroid 2015 TB145 approaches Earth once again, just as it did in 2015 around the night of Halloween, during which astronomers studied its characteristics. This dark object measures between ...

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