Quiet crickets turn leaves into megaphones to blare mating calls

The rules of the tree cricket world, sexually speaking, are simple. Perched from a leaf’s edge, males call out into the night by rhythmically rubbing their wings. Females survey the soundscape, gravitating towards the loudest and largest males. Small, quiet types get drowned out. Unless they cheat the system. Some male crickets make their own […]

The Milky Way’s quiet, introverted monster won’t spin

There’s a beast hiding at the center of the Milky Way, and it’s barely moving. This supermassive black hole, Sagittarius A* (SgrA*), has a mass 4.15 million times that of our sun. It first revealed itself to scientists as a mysterious source of radio waves from the galaxy’s center back in 1931; but it wasn’t […]

800 years ago, Old Faithful went quiet. Soon, it might happen again.

Old Faithful, the famed geyser in Yellowstone National Park, erupts with such captivating regularity, they named the whole gushing spring after it. Phenomenal bursts of hot water and steam – fed by the geothermal activity of the Yellowstone supervolcano underneath – spurt up with such punctuality they can even be predicted, giving the geyser the nickname […]