Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.
The Earth became darker from 2001 to 2024, meaning it reflects less sunlight, a research team reports in the journal ...
The four astronauts set to climb aboard the first Orion spacecraft to fly humans have already given it a name.
Chrysalis, a 36-mile rotating space habitat, plans to take 2,400 people to Alpha Centauri in approximately 400 years.
4d
3I/ATLAS, comet hurtling toward solar system, much bigger than previously thought, astronomers say
The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.
The map, spanning 4,000 light-years from the sun in all directions, combines a chart of space dust with the effects of a rare type of young, hot star.
The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.
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