Elon Musk was responding to an article about China's space station Tiangong-2, which is due to fall to Earth on Friday.

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Accompanying the map is a video that takes you through the number of exoplanets discovered since the year 1991.

Small video games studios are asking the public to stop buying their titles from "unauthorised" markets, saying the sales cost them more than they earn. Several have said it would even be better if consumers pirated their games rather than purchased discounted unlock codes from the "key resellers". One label is running a petition calling on the biggest such market - G2A - to halt sales of indie games outright.

Anyone who says they’re worried about people losing their health insurance because of Medicare for All is being disingenuous: every year, under our current system, 50 million lack insurance at some point. The only solution to that insecurity is Medicare for All.

A research team at the University of California, Riverside, has found that electronic cigarettes, often targeted to youth and pregnant women, produce a stress response in neural stem cells, which are critical cells in the brain. Present throughout life, stem cells become specialized cells with more specific functions, such as brain cells, blood cells, or bone. Far more sensitive to stress than the specialized cells they become, stem cells provide a model to study exposure to toxicants, such as ...

New research provides evidence that listening to music can be an effective means of improving mood in times of stress. The study has been published in PLOS One.

One of the most popular film franchises of the last decade has been The Purge series. The premise is simple: for twelve hours all laws are suspended and anything goes, always leading to horrendous and violent depravity. These films are popular in large part because they feed that pessimistic part of our brains that thinks...

There would be nothing more disruptive than the sudden discovery of aliens. Perhaps that's why a small contingent of Silicon Valley is so interested in UFOs—and wants to know who's piloting them. With US Navy pilots coming forward to talk about their encounters with anomalous aerial vehicles, UFO hunters are starting to feel vindicated. The cross-section of technologists who are also UFO enthusiasts believe that they not only exist, but that we can make significant scientific breakth...

The mung bean-based product is the top selling liquid egg in natural stores and the second best-selling in conventional stores.

Gone is the haze of cigarette, cigar and pipe smoke. Gone are the coffee, soda and pizza stains. With only a few exceptions, NASA's Apollo-era Mission Control has been restored.

The chances of establishing a real-world Jurassic Park are slim. During the fossilization process, biological tissues degrade over millions of years, with some types of molecules breaking down faster than others. However, traces of biological material have been found inside some fossils

This little boy almost celebrated his 4th birthday alone, until nearly 100 guests surprised him.

Is anybody home? Astronomers have pinpointed two planets orbiting a nearby star that meet pretty much every requirement for supporting life. They're almost exactly the same mass as the Earth, they are billions of years old (which means life could have had time to evolve), and they're orbiting their star at a distance that would support things like water flow and habitable temperatures.

In the fourth and final story of this exclusive Mongabay series, entomologists around the world offer far ranging solutions to curb and reverse the great insect die-off.

The father of a victim of the Sandy Hook Elementary School massacre has won a defamation lawsuit against the authors of a book that claimed the shooting never happened — the latest victory for victims’ relatives who have been taking a more aggressive stance against conspiracy theorists.

Domino's will begin delivering pizza using self-driving robots in the Houston area later this year, the company announced on Monday. The company will use delivery vehicles from the Silicon Valley startup Nuro. “Nuro’s vehicles are specially designed to optimize the food delivery experience, which makes them a valuable partner in our autonomous vehicle journey," said Kevin Vasconi of Domino's in a press release.

Facebook is still taking a battering from some of its harshest critics, as two high-profile voices spoke out against the company once again last week. Tim Cook gave a commencement speech at Stanford on Sunday in which he savaged Silicon Valley giants for behaving irresponsibly.

Getting an app off the ground is hard, but following the numbers and investing in acquisition channels that reliably pay off will keep you ahead of the curve. Here are four ways to identify the right app advertising networks and maximize your return on investment.