Quaking aspen leaves inspire an energy harvester fit for Mars
March 27, 2019, 8:25 a.m. by Michael d'Estries
The delicate tremble of aspen leaves may generate enough backup energy to extend the life of future Mars rovers.
NASA cancels first all-female spacewalk due to shortage of spacesuits in correct size
March 26, 2019, 10:42 a.m. by Noel Kirkpatrick
NASA astronauts Anne McClain and Christina Koch will both still perform spacewalks, the agency says, just not at the same time.
Strange star caught fleeing the Milky Way at breakneck speed
March 26, 2019, 12:32 a.m. by Bryan Nelson
It's one of the fastest moving stars we've ever seen.
NASA captures massive meteor explosion over Bering Sea that everyone missed
March 25, 2019, 12:55 p.m. by Michael d'Estries
The 32-foot-wide meteor is estimated to have exploded with a power 10 times the energy of the Hiroshima atomic bomb.
Gorgeous supermoon — the last of 2019 — ushers in spring
March 21, 2019, 11:24 a.m. by Michael d'Estries
Such a convergence hasn't occurred since March 1981.
We may know where the bizarre, cigar-shaped interstellar object 'Oumuamua came from
March 21, 2019, 10:12 a.m. by Bryan Nelson
The object may have been tumbling through interstellar space for billions of years, scientists say.
SpaceX test will be the first step toward putting humans on Mars
March 19, 2019, 1:57 p.m. by Michael d'Estries
Initial testing of company's 'Starhopper' prototype will begin as soon as this week.
Deep-space photos reveal thousands of supermassive black holes
March 18, 2019, 1:34 p.m. by Michael d'Estries
NASA's Chandra X-ray Observatory and Japan's Subaru Telescope have uncovered an array of black holes.
Opportunity's last photo is a bittersweet travel log of Mars
March 15, 2019, 11:58 a.m. by Noel Kirkpatrick
NASA's Opportunity rover took one last panorama before it shut down, and it's stunning.
Why the first mission team to Mars should include only women
March 12, 2019, 11:31 a.m. by Starre Vartan
When it comes to space travel, women are just as capable as men, eat less and use fewer resources.
Blowing up a doomsday asteroid may not be possible, study reveals
March 6, 2019, 12:26 p.m. by Michael d'Estries
Instead of shattering into harmless pieces, a large asteroid would exert gravitational force on fragments to reform itself.
'Superbubbles' from another galaxy might be blowing powerful cosmic rays in our direction
March 5, 2019, 6:46 p.m. by Bryan Nelson
The bubbles act like particle accelerators that are 100 times more energetic than the ones we've built on Earth.
Half of our bodies' atoms are from a galaxy far, far away
Black holes are 'portals to other universes,' according to new quantum results
There's a lump on the moon that's 5 times bigger than Hawaii's Big Island
Something very big and very dark punched a hole in our galaxy
Jupiter's watery moon is full of table salt
The earliest sunrise of the year isn't on the summer solstice