Douglas Vakoch of METI announced messages were sent to the GJ273 system over three days in October.
The Emiratis have a mind-boggling plan for an interplanetary police mission.
Scientists at the NASA Goddard Space Flight Center called the flight a “breathtaking ride.”
The best-selling author of 'The Martian' on writing his second book, why he chose a female lead, and who might play his characters in the film.
A total of 7,400 pounds of cargo was sent to the six astronauts on board.
Cosmic rays bombard Earth all the time—here’s how scientists used them to explore one of the seven wonders of the world.
The full moon misses out on being a supermoon by just one day.
The gas giant is the biggest planet ever discovered when compared with its host star.
Scientists have theorized that passages through space-time can be traversed using a special quantum connection between two black holes.
Dark matter makes up most of the universe, but scientists have no idea what it is.
Experiments at CERN still cannot explain how matter formed in the early universe.
We didn't necessarily have to end up in a 3-D world.
Government Accountability Office says there will be a space travel bottleneck because of a gap in production of plutonium 238.
NASA is using the opportunity to test out its planetary defense systems.
Normal matter makes up just five percent of the universe, but we can only see about 2.5 percent of it.
Paul Chodas from NASA’s CNEOS says the exercise will be the same as if the asteroid were on course to hit Earth.
Weird dimming explained by an uneven cloud of dust moving around the star, study suggests.