Using NASA’s IXPE, astronomers captured an unprecedented view of a white dwarf star actively feeding on material from a companion. The data revealed giant columns of ultra-hot gas shaped by the star’s ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Astronomers have discovered a rare starless galaxy-like cloud known as a RELHIC, providing the strongest evidence yet for a cornerstone prediction of the Lambda CDM model: that many small dark matter ...

FAQ – Asteroids & Comets Is Ceres an asteroid or a dwarf planet? I have seen it classified as both. On January 1, 1801, Giuseppe Piazzi discovered the first asteroid, 1 Ceres. In 2006, when Pluto was ...

Astronomers have discovered 2017 OF21, a distant dwarf planet candidate located about 90 times farther from the Sun than Earth, making it more than twice as far as Pluto. With a highly elongated orbit ...

More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to find an intact gaseous atmosphere. Not only is it incredibly cold, being ...

Using the James Webb Space Telescope, scientists have detected gas on the distant dwarf planet, Makemake. Credit: NASA / ESA / Southwest Research Institute / A. Parker illustration Scientists have ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

Eris is a dwarf planet comparable in size to Pluto but beyond the Kuiper Belt in a region called the Scattered Disk. It has its own moon named Dysnomia. When discovered it was considered for ...

Eris is a dwarf planet comparable in size to Pluto but beyond the Kuiper Belt in a region called the Scattered Disk. It has its own moon named Dysnomia. When discovered it was considered for ...

A composite image showing the five dwarf planets recognized by the International Astronomical Union, plus the newly discovered trans-Neptunian object 2017 OF201. Credit: NASA/JPL-Caltech; image of ...