A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

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

The spacecraft will map the boundaries of the heliosphere, study how Earth’s outer atmosphere reacts to solar activity and ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

IMAP (short for "Interstellar Mapping and Acceleration Probe") is the primary payload on today's flight. The roughly $600 ...

In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Chile identified a comet ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

CAPE CANAVERAL, Fla. — A cluster of space weather satellites blasted off Wednesday morning to cast fresh eyes on solar storms ...

The three spacecraft will be forecasting solar storms, mapping our solar neighborhood and observing the outer layer of ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...