ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

If you're lucky enough to have clear skies tonight, you can catch a "mini planet parade" as Mars and Jupiter appear alongside a half-lit moon in the southwestern sky. To see them, look high in the sky ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Is there evidence of a planet ever existing between Mars and Jupiter? Mark Smithtown, New York This splendid question gives us an opportunity to distinguish between what we know and what we believe ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

The European Space Agency is using Mars and Jupiter missions to monitor the comet in real time. Observing from beyond Earth allows instruments to track the comet even when Earth-based telescopes lose ...

WASHINGTON (7News) — Prepare for a rare astronomical treat this Friday, Feb. 28, 2025, when a remarkable planetary alignment, often referred to as a "planetary parade," will grace the evening sky ...

Experiments show that biomolecules trapped in pure ice could withstand the harsh radiation of Mars for tens of millions of ...

After four rounds of layoffs in two years that cut a quarter of its employees, the Jet Propulsion Laboratory now faces a ...

The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward ...