Journey back to 2015 when the Dawn spacecraft first orbited Ceres, the colossal dwarf planet in our inner solar system. Dive ...

On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between ...

On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just ...

Volunteers use thousands of flowers and other plant material to prepare floats for the 136th annual Tournament of Roses ...

Today is Thursday, Jan. 1, the first day of 2026 with 364 days to follow. This is New Year's Day. The moon is waxing. Morning ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

Throughout December, the SETI Institute appeared across leading science and media outlets, reflecting the SETI Institute’s continued leadership in research and public engagement.

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...