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Astronomers watch as a black hole's jet wobbles like a top

Back in 2015, the black hole V404 Cygni got the attention of astronomers all over the globe when it suddenly brightened for two weeks. The outburst happened as the black hole began gobbling up material from a star that orbits it once every six days. As the material swirled into the black hole,...

Astronomers finally confirm methane on Mars

Researchers have independently confirmed, for the first time, the detection of methane on Mars. For fifteen years, various research groups have claimed to see traces of methane in Mars’ atmosphere. Intriguingly, these often appear as puffs of gas that appear and disappear over short timescales...