Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

NASA's new CMEx mission will measure the Sun's chromosphere magnetism, the origin of solar storms, hoping to improve solar ...

NASA has selected a proposed solar mission for further study as part of its Small Explorer programme, extending early design ...

The third known visitor from interstellar space, comet 3I/ATLAS, is putting on a show that plays out in high‑energy light instead of visible fireworks. As it barrels through the inner solar system, ...

NASA to set sail to study the solar wind, solar system's heliosphere NASA's IMAP mission will give Earthlings a sort of early warning system when solar weather may affect satellites and global ...

The spacecraft is used to explore how Mars' upper atmosphere and ionosphere interact with the Sun and the solar wind NASA announced that they have lost contact with the Mars Atmosphere and Volatile ...

NASA’s Interstellar Mapping and Acceleration Probe (IMAP) reached the Sun-Earth Lagrange point 1 (L1) on January 10, 2026, approximately 1 million miles from Earth toward the Sun, according to NASA.

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.