Aliens ruled out for why Tabby’s star flickers

The first observations of Tabby’s star flickering in real time have put the last nails in the “it’s-an-alien-megastructure” coffin. The star’s most recent winks show that the dimming is from small dust particles surrounding it, a team of more than 200 scientists and amateur astronomers reports in a paper posted at arXiv.org January 3. The oddball star, … Continue reading Aliens ruled out for why Tabby’s star flickers

Two Super-Earths around red dwarf K2-18

  New research using data collected by the European Southern Observatory (ESO) has revealed that a little-known exoplanet called K2-18b could well be a scaled-up version of Earth. Just as exciting, the same researchers also discovered for the first time that the planet has a neighbor. "Being able to measure the mass and density of … Continue reading Two Super-Earths around red dwarf K2-18