After years of work building an exquisitely sensitive instrument, University of Chicago scientists stood and watched as it flew up and out of sight into the fiercely blue Antarctic sky. Launched on ...

How does the solar wind get heated as it leaves the Sun and approaches Earth? This is what a recent study published in ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

OPENING her eyes, Taylor could see flames tearing through her flat. Toxic fumes engulfed her lungs as she tried to wake her ...

Hubble keeps returning to the Egg Nebula because it changes in ways astronomers can actually track over years and decades. By comparing images taken at different times, scientists can see dust shift, ...

The moon will pass directly in front of the sun on Feb. 17, setting the stage for a dramatic annular solar eclipse.

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets of worlds we may never see directly.

In this episode, we follow Voyager 2 - the strange, shovel-shaped spacecraft launched in 1977 that pulled off humanity’s only “grand tour” of the outer planets and then kept going into interstellar ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

Learn why the Sun will appear as a brilliant ring of fire during the February 2026 solar eclipse. Discover the science behind this annular event and how to watch it safely.

Close to the sun, the solar wind, a steady stream of charged particles, accelerates until it cannot turn back. During a record pass about 3.8 million miles above the surface, Parker Solar Probe ...