Space looks empty until you try to cross it. Far beyond Pluto, where sunlight is faint and the planets are long behind, ...
NASA's New Horizons found the solar wind slows as it nears interstellar space, helping improve models of the solar system's ...
Morning Overview on MSN
An interstellar comet is tearing through our solar system at 153,000 miles per hour
A comet born around another star crossed into our solar system, accelerated to roughly 153,000 miles per hour at its closest ...
Dark matter refers to material that does not absorb, reflect, or emit any electromagnetic radiation. Astronomers have ascertained the existence of dark matter through the gravitational influence it ...
Smithsonian Magazine on MSN
Telescopes Reveal Surprising Chemistry of a Rare Interstellar Object Passing Through Our Solar System
Earlier this year, on July 1, a 20-inch telescope in the Rio Hurtado Valley of Chile was conducting its nightly survey when it detected something remarkable. One of five telescopes in the NASA-funded ...
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