Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Baby stars blow bubbles in Cat’s Paw nebula
In the star-forming Cat's Paw nebula, baby stars heat up the gas surrounding them. The gas then expands to form bubbles in the nebula.
October 25, 2018
This planetary nebula has 2 ultra-close stars at its heart
A planetary nebula isn't related to planets. It's an old star, sloughing off its outer layers. Now astronomers have spied 2 ultra-close stars at a planetary nebula's heart. The pair orbits in only 3 hours!
October 24, 2018
EVE and Wall-E have Mars in their sights
The MarCOs - 2 briefcase-sized CubeSats accompanying NASA’s InSight spacecraft - are chasing Mars as it orbits the sun. Along the way, they've captured the 1st-ever CubeSat image of Mars!
October 23, 2018
Astronomers spy 4 giant planets orbiting a very young star
Finding 4 giant planets orbiting another star isn't too unusual these days. But these massive planets are the largest known to orbit such a young star - CI Tau - only 2 million years old.
October 23, 2018
Our Milky Way almost collided with another galaxy
Astronomers found a snail-shaped substructure of stars in our larger Milky Way galaxy. It indicates the Milky Way is still enduring the effects of a near-collision that set millions of stars moving like ripples on a pond.
October 22, 2018
Europa may have towering ice spikes on its surface
Penitentes - large pointed spikes of ice - are known on Earth and Pluto. Jupiter's moon Europa might have them, too, according to new research. If they're there, they could make a future landing on Europa tricky.
October 20, 2018
Small asteroid passed closer than TV satellites
Newly-discovered Asteroid 2018 UA made an extremely close approach to Earth on Friday morning. Luckily, the space rock was too small to be dangerous.
October 20, 2018
Watch launch of BepiColombo mission to Mercury
The BepiColombo mission to our sun's innermost planet - fascinating little Mercury - launches from Europe’s spaceport in French Guiana on October 20 at 01:45 UTC (tonight at 9:45 p.m. EDT). Here's how to watch.
October 19, 2018
Report calls for NASA to ramp up search for alien biosignatures
NASA is again being encouraged to expand its search for alien life - not just intelligent life - all forms of life, including microbes.
October 18, 2018
Asteroid 2018 EB has a moon
Binary asteroids - that is, asteroids with moons - aren't uncommon. More than 300 have been discovered so far. Astronomers found a moon for 2018 EB when it swept closest to Earth on October 7.
October 17, 2018
