On February 11, 2010, NASA launched a spacecraft to study the inner workings of the sun. [‘On This Day in Space’ Video Series ...

Comets usually fade quietly once they swing past the Sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

To avoid Swift being dragged down low enough to hit Earth’s atmosphere, NASA tapped an Arizona-based startup to launch a ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.

Anticipated summer launch is cutting it fine NASA has ended most science operations on its Swift observatory to keep the ...

NASA's shock discovery as interstellar comet 3I/ATLAS blasts out pristine ices at 153,000mph, reigniting alien theories and ...

The first mission in NASA's Living With a Star program, a slate of projects focused around understanding solar variability, the Solar Dynamics Observatory (SDO) launched Feb. 11, 2010. The spacecraft ...

NASA observes interstellar comet 3I/ATLAS unexpectedly flaring as it leaves the solar system, revealing water vapour and organic compounds.

An interstellar comet racing through our solar system released methanol, methane and cyanide, NASA says. Could these life linked molecules hint at how worlds across the cosmos are seeded?

The Sun is now at the most active point in its roughly 11‑year solar cycle, and scientists say the current peak has arrived ...

Solar activity during Solar Cycle 25 has superheated Earth's upper atmosphere, puffing it outward and accelerating Swift's descent from an initial 585 km to below 400 km altitude by early February.