Astronomers say they’re reached a “milestone” in research about the origins of the universe. ...

At a Glance Researchers say the Tesla launched into space could pose a bacterial threat to other planets.The vehicle may not have been sterilized before sent into orbit.If it's unsterilized, the car could be carrying the largest collection of Earth bacteria ever sent into space. The Tesla convertible taking a joyride through the galaxy could be a biological threat to other planets, as it may be carrying the largest collection of Earth bacteria ever sent into space, researchers say. A...

Man stargazing in Tolentino, Italy. (Fabio Palmieri/EyeEm/Getty Images) At a Glance Saturn, Mars and Jupiter will line up along the southeastern sky before dawn Wednesday and Thursday.In the evenings just after sunset, Venus and Mercury will be visible in the western sky. Winter Storm Quinn will block the view for many along the East Coast. Stargazers in the Northern Hemisphere will be treated to a planet parade this week, particularly if they are prepared to rise just a little bit...

At a Glance NASA's spacecraft Juno captured spectacular images of amassive cyclones on Jupiter's north and south poles.The cyclones are arranged in bizarre, geometrical configurations and are "unlike anything else encountered in our solar system,"NASA said. All of them stretch several thousand miles in diameter andare packing winds of up to 220 mph. Spectacular images captured by the Juno spacecraft of amassive cyclonesurrounded by eight smaller cyclones swirling on Jupiter's north pole and six similar cyclones on the planet'ssouth pole...

It took a lot of work and great timing to make Delta’s most viral video. And the backdrop is amazing! ...

Think back to back nor’easters are intense? Jupiter has us beat! ...

The image above shows China's Tiangong-1 space station. It's expected to plummet back to Earth and researchers aren't sure where its pieces will end up. (CMSE/China Manned Space Engineering Office) At a Glance China's Tiangong-1 space station will fall back into Earth's atmosphere soon.Researchers aren't certain when exactly it will plummet, or where its debris could end up.Despite scientists' assurances, some people are still worried they might get hit with falling space junk. China’s Tiangong-1 space station is going to...

A storm on the sun could lead to the light show of a lifetime for some of us here on Earth. ...

Citizen stargazers help solve the mystery behind the presence of mysterious purple lights. ...

At a Glance Aurora watchers located primarily in southern Canada captured photosof the ribbons of purple light between 2015 and 2016.'Steve' can be observed at lower altitudes than typical auroras. A group of "citizen scientists" helped solve amystery surrounding ribbonsof strange purple lightin the sky that has become known as the aurora "Steve." Aurora watchers located primarily in southern Canada captured photosof the ribbons of purple light,, between 2015 and 2016, according to a NASA press release. Theamateur scientists shared...

At a Glance NASA's proposed 'Hammer' spacecraft is meant to deflect threatening celestial bodies.Asteroid Bennu has a one in 2,700 chance of striking Earth.A new study says the Hammer will be unable to deflect the asteroid if it does come too close. In the unlikely event an asteroid dubbed Bennu does threaten to collide with Earth in 2135, NASA's proposed "Hammer" spacecraft will be no match for the incoming celestial mass, a new study says. The Hammer, short forHypervelocity Asteroid...

An aeronautics company is testing out a method to collect space junk, and the simplicity of it might be the most shocking part. ...