Space

All stories in Space

• Scientist says aliens in UFOs might be Earthlings from the future

  We've been chasing ET for millennia with nothing concrete to show for it. Aside from conspiracy theory claims that the US ...

  • Tristan Greene

• An astrobiologist explains why invisible aliens could be among us

  Life is pretty easy to recognize. It moves, it grows, it eats, it excretes, it reproduces. Simple. In biology, researchers often use the acronym “MRSGREN” to describe it. It stands for movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition. But Helen ...

  • The Conversation

• Scientists have discovered strange objects orbiting our galaxy’s black hole

  Every major galaxy is home to a supermassive black hole, and our own Milky Way is no exception. Astronomers recently found something unexpected near this massive object — 4 mysterious objects, each similar to a pair of bizarre bodies spotted in recent years in this same region ...

  • The Cosmic Companion

• Elon Musk: SpaceX will send NASA astronauts to space in Q2

  Elon Musk said last night that SpaceX plans to send NASA astronauts to space between April and June. The mission, dubbed as Demo-2, will see the crew rocket up to the International Space Station for several days. SpaceX just completed a successful uncrewed test of its Crew Dragon ...

  • Ivan Mehta

• Dark matter could help us understand the origins of gamma radiation

  Afaint glow of gamma radiation — the unresolved gamma-ray background — fills the sky. This energy is not evenly distributed, as this light (much more energetic than can be seen by the human eye) is concentrated where the greatest amount of matter is found in the early Universe, ...

  • The Cosmic Companion

• SpaceX plans to blow up a rocket over the Atlantic Ocean next week (and you can watch it live)

  SpaceX and NASA are working together to blow up a rocket over the Atlantic Ocean. The experiment, called an in-flight abort ...

  • Bryan Clark

• Remembering Stephen Hawking on his 78th birthday: A legacy of humanity

  Stephen Hawking passed away on 14 March 2018. His work changed literally everything we know about the cosmos and our place ...

  • Tristan Greene

• Aliens exist, but we’re not open-minded enough to see them

  If we discovered evidence of alien life, would we even realize it? Life on other planets could be so different from what we’re used to that we might not recognize any biological signatures that it produces. Recent years have seen changes to our theories about what counts as a ...

  • The Conversation

• Why zero gravity is bad for our brains

  NASA has made a commitment to send humans to Mars by the 2030s. This is an ambitious goal when you think that a typical round ...

  • The Conversation

• How to recognize an alien when you see one

  What would convince you that aliens existed? The question came up recently at a conference on astrobiology, held at Stanford ...

  • Aeon

• Why we need to get back to Venus

  Just next door, cosmologically speaking, is a planet almost exactly like Earth. It’s about the same size, is made of about ...

  • The Conversation

• Building a moon base is a huge task — but these tiny satellites will pave the way

  The space race between the US and Russia ended half a century ago when US astronauts became the first to walk on the moon. ...

  • The Conversation