An artist’s rendering of the IMAP spacecraft, which will explore and chart the boundaries of the ...

IMAP will launch aboard a SpaceX Falcon-9 on a mission to chart the very edge of the solar system — the heliosphere's boundary— where the Sun's influence yields to the interstellar medium.

A new international study published in Earth and Planetary Science Letters reveals that the boundaries between geological epochs and periods, even though randomly distributed, follow a hidden, ...

WASHINGTON — NASA is revamping a major series of Earth science missions, delaying some and relying more on international partners for others to reduce costs. As part of NASA’s fiscal year 2025 budget ...