Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Harvard expert Avi Loeb claims the 3I/ATLAS comet's path is 'suspiciously' precise, sparking alien theories. NASA reveals the ...

MAVEN has remained silent since Dec. 6 despite repeated attempts to contact it, according to NASA. As part of the recovery ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

The Hubble Space Telescope has captured a spectacular new image of the largest and most unusual protoplanetary disk ever ...

Japan’s Akatsuki mission officially ended in September 2025 after more than a decade of operations and a final year of ...

In the bigger picture, “down” could be defined as being below the plane of the solar system, which is known as the ecliptic.

Comet 3I/ATLAS is only the third known object to barrel into our neighborhood from interstellar space, and it is already ...

Silver’s explosive run into 2026 has turned a traditionally “sleepy” metal into one of the most aggressively traded assets on ...