Science & Astronomy Archive
22 October 2015, 07:00 AM ET
Engineers and technicians at the aerospace firm Lockheed Martin have finished building the space agency's OSIRIS-REx probe, which is scheduled to launch toward the potentially hazardous asteroid Bennu in September 2016.
22 October 2015, 12:35 AM ET
Astronaut Scott Kelly captured this inspiring image of an early morning aurora from the International Space Station.
21 October 2015, 02:50 PM ET
A tidal disruption was detected using multiple orbiting observatories by the All-Sky Automated Survey for Supernovae (ASAS-SN) in Nov. 2014. The event occurred in galaxy PGC 043234 about 290 million light years away from Earth.
21 October 2015, 01:00 PM ET
Astronomers group stars into classes according to spectral color and brightness.
21 October 2015, 12:15 PM ET
It's a make-out session on a cosmic scale: Two incredibly hot stars, spinning in a tight orbit around one another, appear to be "kissing." But the pair won't be kissing for long: They appear to be headed toward a cataclysmic demise.
21 October 2015, 11:53 AM ET
Today, the White House is marking “Back to the Future Day” with a series of conversations with innovators across the country.
21 October 2015, 07:26 AM ET
Scientists with ESA's Rosetta mission named two surface features on comet 67P/C-G for scientists from the mission team who recently passed away.
21 October 2015, 07:00 AM ET
The massive asteroid 2015 TB145, also known as "Spooky," will come within 310,000 miles (500,000 kilometers) of the planet on Oct. 31, just three weeks after the space rock was discovered.
21 October 2015, 06:00 AM ET
160,000 light years away, the Tarantula Nebula houses many young, hot stars. But the weirdest is probably the "over-contact" binary named VFTS 352 whose two huge, hot surfaces are touching as they dance rapidly around.
20 October 2015, 03:45 PM ET
In a statement obtained exclusively by, officials from White House Astronomy Night said that the documentary "Telescope" will air on Discovery Channel and Science Channel early next year.
20 October 2015, 01:31 PM ET
President Barack Obama greeted a group of stargazers on the South Lawn, for the White House Astronomy Night on Oct. 19. The visitors included teachers, students, future scientists and astronaut-hopefuls who gathered to learn about and celebrate the scienc
20 October 2015, 10:36 AM ET
Over a period of 6 years, activity on the red giant star XX Tri was observed using the STELLA robotic telescopes on Tenerife and a technique called Doppler imaging.
20 October 2015, 07:00 AM ET
Cosmic impacts might have helped deliver the ingredients for life into the hidden oceans that scientists think lurk beneath the surfaces of Europa and several other frozen moons in the solar system.
19 October 2015, 03:19 PM ET
The Mangala Valles outflow channel system on Mars, close to the Minio Valles, has been prone to prone to severe flooding episodes. These events were likely prompted by geologic activity such as volcanic eruptions in the neighboring Tharsis region.
19 October 2015, 02:11 PM ET
NASA’s new website for its Deep Space Climate Observatory (DSCOVR) mission will be updated daily with images captured 12 to 36 hours prior. 22 Images from Oct. 17th, 2015 ave been compiled to show one full rotation. (looped several times)
19 October 2015, 11:48 AM ET
If you left Earth at near-light-speed, would you really want to come back?
19 October 2015, 10:18 AM ET
The 1450 foot-wide (470m) asteroid 2015 TB145 will pass within 300,000mi (480,000km) of Earth. It was discovered on October 10th by the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS).
19 October 2015, 07:30 AM ET
Astronomers are using the Allen Telescope Array (ATA), a system of radio dishes about 300 miles (483 kilometers) northeast of San Francisco, to hunt for signals coming from the vicinity of KIC 8462852, a star that lies 1,500 light-years from Earth.
19 October 2015, 07:29 AM ET
Some parts of the moon were so hammered by small asteroids 4 billion years ago that the impacts shattered the upper crust there. Similar impacts on Earth during this same era may have carved out environments in which life first took root.
18 October 2015, 04:21 PM ET
Mysterious dimmings from a faraway star spur speculation about "alien megastructures," some rivers on ancient Mars were dozens of miles long and Pluto's many mysteries continue to intrigue researchers. Here are's top stories of the week.
18 October 2015, 01:48 PM ET
The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck.
17 October 2015, 02:59 PM ET
From the best-ever views of the Saturn moon Enceladus' north pole to a stunning shot of a giant "hole" on the sun, don't miss these amazing space images.
16 October 2015, 04:09 PM ET
Author and PBS host Robert Lawrence Kuhn brings his unique, mind-bending questions to the Expert Voices platform.
16 October 2015, 03:11 PM ET
The fascinating speculation surrounding a recent Kepler observation of a star 1,500 light-years away has reignited questions of alien life in our universe and what it means for future studies.
16 October 2015, 12:23 PM ET
A new snapshot of Jupiter, the largest planet in our Solar System, reveals details of the great planet. Scientists use images like this to determine wind speeds, identify atmospheric phenomena and even track changes in its most famous features.
16 October 2015, 10:22 AM ET
An emerging Sunspot made its presence felt with a blast of towering superheated plasma on Oct. 16th, 2015. A nearby sunspot (AR2434) can also be seen flaring. NASA's Solar Dynamics Observatory captured the solar fireworks display.
16 October 2015, 09:39 AM ET
A surge in flares was observed emanating from Sagittarius A* in the middle of 2014. It coincided with an object with a mass of 4 million Suns nearing the black hole. Named G2, it was thought to be a dust cloud but now appears to be a huge star.
16 October 2015, 07:30 AM ET
As the Philae lander plunged down to land on a comet in 2014, it captured a view of the great comet closer than any had ever seen. Now a new video lets viewers ride along, showing exactly what the lander saw as it descended.
16 October 2015, 07:30 AM ET
Mars hosts liquid water on its surface in places today, but the best way to explore these sites is a matter of contentious debate.
16 October 2015, 07:30 AM ET
NASA's Cassini spacecraft zoomed within 1,142 miles (1,838 kilometers) of Enceladus' surface Wednesday (Oct. 14), capturing its best-ever looks at the north polar region of the ocean-harboring moon.
16 October 2015, 12:40 AM ET
There are thousands of NASA images you've never seen before — here are a few.
15 October 2015, 05:30 PM ET
The sun has sprung a leak: A hole in the topmost layer of the sun and its magnetic field, the size of 50 Earths, is letting loose an ultrafast solar wind that has kicked off several nights of auroras down on Earth.