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October 21, 2019

Ozone hole is the smallest on record due to 'rare event,' NASA says

Unusual weather patterns in the upper atmosphere over Antarctica caused a drastic reduction in the ozone depletion, leaving the ozone with the smallest hole seen since its discovery in 1982, according to NASA and the National Oceanic and Atmospheric Administration.

October 21, 2019

Fireball that flew over Japan in 2017 was tiny piece of giant asteroid that might one day threaten Earth

In the early morning of April 28, 2017, a small fireball crept across the sky over Kyoto, Japan. And now, thanks to data collected by the SonotaCo meteor survey, researchers have determined that the fiery space rock was a shard of a much larger asteroid that might (far down the road) threaten Earth. 

October 18, 2019

Trump calls to congratulate 'brilliant' NASA astronauts during their historic all-female spacewalk

President Donald Trump called NASA astronauts Christina Koch and Jessica Meir during their historic first all-female spacewalk Friday.

October 18, 2019

NASA astronauts make history with first all-female spacewalk

NASA astronauts Christina Koch and Jessica Meir have made history with the first all-female spacewalk.

October 18, 2019

Milky Way galaxy is a cosmic thief

A newly published study notes that the Milky Way stole several dwarf galaxies from the neighboring galaxy, Large Magellanic Cloud (LMC), including the Carina and Fornax, because of an ongoing merger between the two.

October 18, 2019

An asteroid-smashing star ground a giant rock to bits and covered itself in the remains

Somewhere in the galaxy, a white dwarf star suddenly started shining brightly. And now we understand the violent cataclysm that caused it: the star's gravitational field tore the asteroid to bits, scattering its metallic bits in a shiny halo around the star.

October 17, 2019

Earth-like exoplanets may be common in the universe, study suggests

Earth-like exoplanets may be quite common in the universe, a new UCLA study suggests.

October 16, 2019

NASA's Hubble captures best look at first comet outside our solar system

An astronomer captured one of the sharpest looks at a comet from outside our solar system.

October 16, 2019

NASA scientist creates engine concept that can reach 'close to the speed of light'

A NASA scientist has created a new concept for an engine that he says can move "close to the speed of light" – all without any moving parts or need for fuel.

October 16, 2019

NASA moves up 1st all-female spacewalk to fix power unit

CAPE CANAVERAL, Fla. (AP) — NASA is moving up the first all-female spacewalk to this week because of a power system failure at the International Space Station.