Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A solar physicist who developed a model of the Sun’s ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. From Earth, the Sun appears comfortingly constant, always just about ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, paradoxically, the same star that could destroy life may also help make distant ...

Stars are born in clusters. Some stay together as binaries, some drift apart and some are violently thrown out of the family. The Pleiades are young clustered blue stars being born from dust and gas.

NASA and the European Space Agency's Solar Orbiter spacecraft has sent home the highest resolution images of our sun ever captured. ESA has shared four images of the sun's surface, revealing the ...

Interstellar comet 3I-ATLAS is a rare cosmic visitor that may be older than our Sun, offering scientists a unique glimpse ...

Our sun may be due for an extremely powerful "superflare" outburst in the next few decades, according to researchers. Stars like our sun can experience one of these superflares once every century or ...

First, let’s discriminate between expansion and expulsion. Expansion happens because the thermal pressure from the increased energy production in the Sun’s interior exceeds the gravitational force ...