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

How to keep humans from ruining the search for life on Mars

The Okarian rover was in trouble. The yellow Humvee was making slow progress across a frigid, otherworldly landscape when planetary scientist Pascal Lee felt the rover tilt backward. Out the windshield, Lee, director of NASA’s Haughton Mars Project, saw only sky. The rear treads had broken through a crack in the sea ice and were … Continue reading How to keep humans from ruining the search for life on Mars

Elon Musk Reveals Photos of Tesla Roadster Launching on Falcon Heavy Rocket

  Elon Musk is really sending his Tesla Roadster to Mars. On Friday (Dec. 22), Musk, the CEO and chief technology officer of SpaceX, posted photos to his Instagram account revealing the “midnight cherry” electric sports car being prepared for launch on the company’s first Falcon Heavy rocket. "Test flights of new rockets usually contain mass simulators … Continue reading Elon Musk Reveals Photos of Tesla Roadster Launching on Falcon Heavy Rocket

AI has found an 8-planet system like ours in Kepler data

Our solar system is no longer the sole record-holder for most known planets circling a star. An artificial intelligence algorithm sifted through data from the planet-hunting Kepler space telescope and discovered a previously overlooked planet orbiting Kepler 90 — making it the first star besides the sun known to host eight planets. This finding, announced in … Continue reading AI has found an 8-planet system like ours in Kepler data

Spy Satellites Reveal Ancient Lost Empires in Afghanistan

Spy satellite imagery is revealing lost Silk Road outposts and the traces of vanished empires in the forbidding desert regions of Afghanistan, new research reveals. The new archaeological insights come from decades of imagery collected by commercial and spy satellites and drones, Science reported. Among the finds: huge caravanserai, or outposts used by Silk Road … Continue reading Spy Satellites Reveal Ancient Lost Empires in Afghanistan