Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...

Caption An artist's depiction of the interstellar comet 'Oumuamua, as it warmed up in its approach to the sun and outgassed hydrogen (white mist), which slightly altered its orbit. The comet ...

The escaping material can cause significant changes in a comet's orbit, acting like natural rocket engines ... such as in the case of the interstellar object 1I/2017 U1 ‘Oumuamua. Aside from the ...

“Because ‘Oumuamua was so small, we think that it actually produced sufficient force to power this acceleration.” That it was merely a regular interstellar comet will be disappointing news ...

Then, astronomers spotted ‘Oumuamua in 2017 ... While asteroids are devoid of ice because they orbit closer to the sun, comets are icy bodies that resemble dirty ice cubes with more distant ...

The first interstellar object, ’Oumuamua, was the first comet or asteroid-size body that was detected in the solar system that came from outside of the solar system. ’Oumuamua displayed this ...

Avi Loeb shares the story of how a Tesla Roadster had some astronomers convinced for a time that they had discovered a new ...

The escaping material can cause significant changes in a comet’s orbit, acting like natural ... case of the interstellar object 1I/2017 U1 ‘Oumuamua. Aside from the effects of outgassing ...