NASA’s Double Asteroid Redirection Test, known as DART, has produced a result that goes well beyond what the mission ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per hour during its closest approach to the sun. The rare interstellar guest ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between by ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Hardware now accounts for about 20% of U.S. residential system prices, leaving permitting and interconnection as major cost drivers.

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

Traveling between planets is far more difficult than most people imagine. Even with modern rockets, journeys across the solar system take months, years, or even decades depending on planetary ...