This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

On March 6, 1986, the Soviet Union's Vega 1 spacecraft flew by Halley's Comet. Vega 1 was the first of five missions to fly ...

The COMET plans to convert a problematic site into a training facility and parking area, citing land issues and location drawbacks.

After years of engineering issues and infighting, the COMET will scrap its 'superstop' plan as it seeks solutions to reducing ...

Update as of February 2025 When Comet G3 reached perihelion, comet watchers observed a sharp increase in brightness as the ...