It is not one of the largest impact craters on the dwarf planet. Images from Dawn's camera system show that a crater wall ...

The universe is vast, mysterious, and breathtakingly beautiful. From the glow of distant galaxies to the quiet elegance of ...

This "blinking" between images allowed the astronomer to note ... Assembly adopted a resolution to reclassify Pluto as a dwarf planet. The reasoning was that it didn't satisfy one of three newly ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

This "blinking" between images allowed the astronomer to note ... in the solar system — in 2006 Pluto was reclassified as a dwarf planet by the International Astronomical Union, the Lowell ...

About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula Caldwell 63, commonly known as the ...

A blue atmosphere, smooth areas, and youthful mountain ranges - this dwarf planet is full of surprises. When NASA's New Horizons probe flew past Pluto in July 2015, the images it returned astonished ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The ...

Arizona has declared Pluto its “official state planet” — despite it being relegated to “dwarf planet” status ... looking for planets by taking photos over a period of time,” said ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...