Watch the Moon pass between Earth and Mars before sunrise on Tuesday in rare celestial event

If weather permits, you may be able to see a rare celestial event with your unaided eye before sunrise on Tuesday, February 18, 2020. That's when Earth, the Moon, and Mars will all be in alignment, and you'll be able to watch Mars "go behind" the Moon.

Mysterious signal from deep space is repeating in 16-day cycle

A new study has found a fast radio burst has been spotted coming from a galaxy 500 million light-years from Earth and it's repeating every 16 days. No one knows why.

New ‘reaper of death’ Tyrannosaur species discovered in Canada

Known as Thanatotheristes degrootorum, the species is one of the oldest ever found in North America and is directly linked to Tyrannosaurus rex, researchers said on Monday.

NASA proposed budget announced amid Boeing troubles

NASA is counting on Boeing for the new rocket to bring vehicles to space for moon missions, but Boeing is in a funk.

Antarctica may have experienced its hottest temperature on record

A World Meteorological Organization spokeswoman said the Esperanza base recorded 64.9 Fahrenheit on Thursday — topping the former record of 63.5 degrees tallied in March 2015.

NASA astronaut Christina Koch, crewmates return to Earth

NASA astronaut Christina Koch, Luca Parmitano of the European Space Agency and Soyuz commander Alexander Skvortsov of the Russian space agency Roscosmos safely touched down southeast of Dzhezkazgan, Kazakhstan at 4:12 a.m. EST Thursday.

Doomsday Clock moves closest to midnight in 73-year history

The keepers of the Doomsday Clock on Thursday moved the symbolic countdown to global disaster to the closest point to midnight in its 73-year history, citing "existential danger" from nuclear war and climate change.

First space-baked cookies took 2 hours in experimental oven aboard ISS

Chocolate chip cookies became the first food baked in space from raw ingredients -- and they took two hours to bake, NASA says.

Starving lions in Sudan park prompt worldwide campaign to save them

After a series of heartbreaking images of starving lions in Sudan were posted online, a global campaign is underway to save them.

The average human body temperature is dropping, study suggests

Humans are getting colder, according to a new study out of Stanford University's School of Medicine that found the average human body temperature to be lower than the 98.6 degrees Fahrenheit average established more than 150 years ago.

Yosemite’s ‘firefall’ returns for two weeks this February

Yosemite's Horsetail Fall will light up with bright orange and red hues that resemble cascading fire for a few days in February.

SpaceX completes successful abort test launch of Dragon crew capsule

The launch is an important one for SpaceX and NASA as the commercial crew program continues into the phase that many officials describe as “the final dress rehearsal.”