C/2024 E1 (Wierzchos) brightened significantly ahead of its close approach to the sun.

NORFOLK, Va. — The earth’s journey around the Sun is not a perfect circle. Instead, our planet follows a slightly oval-shaped path called an ellipse, meaning our distance from the Sun changes ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun will appear ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

The year 2026 would begin with a full moon, also a supermoon, and Earth’s closest approach to the sun, known as perihelion. It indicated that the Earth, moon, and sun would be very closely aligned, ...

What if we could engineer a gigantic megastructure capable of harvesting every bit of the Sun's energy? Something known as a Dyson sphere. Full list of Spanberger executive orders signed on day one as ...

Jupiter reaches opposition on Jan. 10, when it will shine all night at its brightest as Earth moves between the giant planet and the sun. When you purchase through links on our site, we may earn an ...

This artistic impression shows the collision of two planetesimals in the young, evolving planetary system of Fomalhaut. NASA’s Hubble Space Telescope has captured the dramatic aftermath of two violent ...