The giant tortoise reappears 113 years after its disappearance, and the new mass extinction is speeding The giant tortoise reappears 113 years after its disappearance, and the new mass extinction is speeding
The rover took photos of suspected “human bones”. Is this true? The rover took photos of suspected “human bones”. Is this true?
The constant expansion of the universe tells us that there is still space outside. What is outside the universe? The constant expansion of the universe tells us that there is still space outside. What is outside the universe?
The following three technologies, as long as human beings master all of them, it is possible to enter the ranks of advanced civilizations The following three technologies, as long as human beings master all of them, it is possible to enter the ranks of advanced civilizations
Why are scientists afraid to bring Martian soil back to Earth? The consequences can be very serious Why are scientists afraid to bring Martian soil back to Earth? The consequences can be very serious
A copy of the early Earth, with an atmosphere and liquid matter on it, and there may be life A copy of the early Earth, with an atmosphere and liquid matter on it, and there may be life
If a planet suddenly disappears from the solar system, will it throw the solar system into a state of chaos? If a planet suddenly disappears from the solar system, will it throw the solar system into a state of chaos?
A phenomenon that confuses Einstein, science is difficult to explain, and it makes people think about it. A phenomenon that confuses Einstein, science is difficult to explain, and it makes people think about it.
If mankind had a day of extinction, in what way would it end? Three ultimate conjectures If mankind had a day of extinction, in what way would it end? Three ultimate conjectures
The universe is so big, there should be alien civilization in theory, why didn’t we contact us? The universe is so big, there should be alien civilization in theory, why didn’t we contact us?