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What happens inside a black hole stays inside a black hole, but what happens inside a black hole's "sphere of influence"—the innermost region of a galaxy where a black hole's gravity is the dominant force—is of intense interest ...
Uncertainty in science is a good thing. Because here's how the scientific model works: you observe a phenomenon, then form a hypothesis about why that phenomenon is taking place, then test the hypothesis, which leads you ...
Triton orbits Neptune, the eighth planet from the Sun, some 2.7 billion miles from Earth—at the cold outer fringe of the Solar System's major planet zone. Surface temperatures hover near absolute zero, so low that common ...
This image, based on observations from NASA's Dawn spacecraft, shows the largest mountain on the dwarf planet Ceres.
Moons ejected from orbits around gas giant exoplanets could explain several astronomical mysteries, an international team of astronomers suggests.
Before Neil Armstrong and Buzz Aldrin knew they would be the first to walk on the moon, they took crash courses in geology at the Grand Canyon and a nearby impact crater that is the most well-preserved on Earth.
High in the Andes Mountains, dagger-shaped ice spires house thriving microbial communities, offering an oasis for life in one of Earth's harshest environments as well as a possible analogue for life on other planets.
The solar system is a really big place, and it takes forever to travel from world to world with traditional chemical rockets. But one technique developed back in the 1960s might provide a way to shorten our travel times dramatically: ...
Using sophisticated computer simulations and observations, a team led by researchers from the Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology has shown how the so-called trans-Neptunian objects (or TNOs) ...
A team of researchers affiliated with several institutions in the U.S. and one in France has found evidence of ammonia on the surface of Pluto. In their paper published in the journal Science Advances, the group describes ...
