Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...
To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...
Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...
The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...
Researchers predict that a collision with the asteroid Bennu would plunge Earth into a year's long 'impact winter'.
Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...
The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ...
Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...
Samples of asteroid Bennu contain molecules that suggest the "conditions necessary for life" were widespread across the early ...
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
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