A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

At aphelion, Earth’s distance from the sun is about 94.5 million miles. Six months later, at the start of January in the winter, Earth is at its closest point to the sun at 91.5 million miles.

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

The clingy planet orbits so close to its star, it triggers powerful explosions of radiation that eat away at its atmosphere.

The brand new Vera Rubin telescope is about to begin its 10-year mission to offer the newest cosmic perspective we've had in ...

TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...

In addition to providing a trove of information about the early universe, the James Webb Space Telescope since its 2021 ...

Island's famous moai statues are crumbling into the sea, forcing locals to face urgent decisions about how best to protect their heritage.

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...

A sweat-drenched crowd at a Wallace Wade Stadium watch party gathered to see the first images from the Vera Rubin Observatory ...