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An international team of scientists has discovered that Sagittarius A* (Sgr A*)1, the supermassive black hole at the centre of the Milky Way, emerged from a long period of dormancy some 200 years ago. The team, led by Frédéric…

For more than a decade, astronomers have been trying to get a closer look at GJ 1214b, an exoplanet 40 light-years away from Earth. Their biggest obstacle is a thick layer of haze that blankets the planet, shielding it from the probing eyes…

Exposure to formalehyde - emitted by cars and often found in construction sites - in high concentrations can decrease semen quality in men, study findsResearchers monitored 205 young men for a month to check for the…

A team of astronomers has discovered the fastest optical flash of a Type Ia supernova, and reports a study in the Astrophysical Journal Letters published on December 8. Many stars end their lives through a spectacular explosion. Most…

The coronavirus disease 2019 (COVID-19) has been thought to spread primarily when an infected person coughs or sneezes, but little is known about its transmissibility through activities such as breathing, talking and singing. A new study…