On the 20th anniversary of Pluto’s infamous demotion, Mike “Pluto Killer” Brown explains why any reversal of that decision ...

Average ocean temperatures hit a record 21.10 degrees Celsius (69.98 degrees Fahrenheit) on August 22, according to the ...

Mike Brown is the Richard and Barbara Rosenberg Professor of Planetary Astronomy at the California Institute of Technology. He is best known for his 2005 discovery of the dwarf planet Eris, which ...

Chang’e 7 was supposed to launch aboard a Long March 5 rocket on August 24, but the launch was scrubbed on Sunday evening due ...

After a spike in infections in July, this explosive-diarrhea-causing outbreak may be coming to an end A strengthening El Niño may surpass any seen since the 19th century and will usher in another ...

Even as cases of diseases such as measles rise, childhood vaccinations are declining, thanks to changes in public health ...