Astronomers have discovered a new object that originated from outside of our Solar System. It's only the third to be found.

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Wind provides about 10% of the electricity generated in the U.S., according to the U.S. Energy Information Administration, ...

- Employees of NY State Solar, a residential and commercial photovoltaic systems company, install an array of solar panels on a roof, Aug. 11, 2022, in the Long Island hamlet of Massapequa, N.Y.

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...