A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost atmosphere. The NOAA mission will measure the solar wind, thermal plasma ...

A major solar power association believes that additional requirements for grid-tied solar power systems that go beyond ...

A rare visitor from another star system has been spotted. It's the interstellar comet 3I/ATLAS, and it was detected on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS ...

A prominent solar power installer reckons one important inverter specification is being overlooked when it comes to choosing ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

An interstellar tourist is taking a quick trip through our solar system, becoming one of just three known objects to ever do so, according to NASA. A comet from a solar system outside our own was ...

This is the third time an object from outside the solar system has been found. An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.