25 November 2013, 02:16 PM ET
National parks and several public observatories have opportunities for the public to catch a view of Comet ISON as astronomers watch it plunge towards the sun.
25 November 2013, 12:04 PM ET
The early morning of Tuesday, Nov. 26, will be the last chance to spot Comet ISON streaking just above the horizon before it makes its Thanksgiving Day slingshot around the sun, according to NASA.
25 November 2013, 10:24 AM ET
In 2007, a coronal mass ejection from the Sun tore off Comet Enke's tail. As Comet ISON approaches its closest approach to the Sun, it could suffer the same fate.
25 November 2013, 10:16 AM ET
Read our telescopes for beginners review to find the best telescope for you.
25 November 2013, 09:54 AM ET
The spacecraft Galileo is prepared for its trip to Jupiter.
25 November 2013, 09:20 AM ET
The big blob-like structure shown in this space wallpaper, named Himiko after the legendary ancient queen of Japan, turns out to be three galaxies thought to be in the process of merging into one.
25 November 2013, 09:08 AM ET
The private spaceflight company SpaceX is counting down to a critical commercial satellite launch in Florida today (Nov. 25), and you can watch the launch attempt live online.
25 November 2013, 07:01 AM ET
Jupiter's Great Red Spot has been furiously swirling across the planet for hundreds of years, confounding theories that suggest it should have died out long ago. Researchers now think they know the secret of the huge storm's longevity.
24 November 2013, 10:52 AM ET
What was your favorite space news story of the last week?
24 November 2013, 09:30 AM ET
Comet ISON is slated to skim just 730,000 miles above the solar surface on Nov. 28. ISON has brightened considerably as it’s zoomed closer to the sun recently, giving researchers interested in comet composition a lot to look forward to.
23 November 2013, 03:40 PM ET
From an amazing MAVEN spacecraft launch toward the Red Planet to stunning images by astronauts aboard the International Space Station, don't miss these amazing space photos of the week for Nov. 23, 2013.
23 November 2013, 02:24 PM ET
From the dazzling nighttime rocket launch to a spectacular set of photos showing the evolution of Comet ISON over the last few months, don't miss these stunning night sky photos by stargazers and SPACE.com readers.
23 November 2013, 09:47 AM ET
The potentially dazzling Comet ISON is currently visible to the unaided eye, but its future all depends in how it reacts to a close Thanksgiving encounter with the sun, co
23 November 2013, 08:35 AM ET
The incoming Comet ISON is now in the home stretch of its long-awaited hairpin loop around the sun on Thanksgiving Day (Nov. 28), making it a great target for amateur astronomers and stargazers. Here are some tips to see the comet.
22 November 2013, 08:34 PM ET
Not kidding. It is the same dust that was once part of comets and asteroids.
22 November 2013, 07:40 PM ET
JAXA's ISS Program Manager Masazumi Miyake explains how 3 nanosatellites (aka cubesats) were deployed from the Japanese 'Kibo' Experimental Module on Nov. 19. 2013.
22 November 2013, 06:36 PM ET
Gacrux is a variable star that blows strong winds through its system.
22 November 2013, 06:31 PM ET
See amazing images by dedicated night sky observers and amateur astronomers alike.
22 November 2013, 06:22 PM ET
The document calls on federal agencies to continue supporting the development of private American spaceships to carry astronauts to and from low-Earth orbit and directs NASA to keep working on a heavy-lift rocket to send people much farther afield.
22 November 2013, 05:20 PM ET
Photographs capture the full colors in aurora displays, unlike the human eye.
22 November 2013, 02:37 PM ET
This space wallpaper shows an unusually bright gamma-ray burst, which produced a jet that emerged at nearly the speed of light. Gamma-ray bursts are the most powerful type of explosions in the universe and typically mark the destruction of a massive star.
22 November 2013, 02:22 PM ET
The incoming Comet ISON is undergoing dramatic brightening as it heads toward its Thanksgiving Day rendezvous with the sun, but if you are hoping to snap photos of the icy wanderer, you'll need to be prepared.
22 November 2013, 01:41 PM ET
With the success of the SpaceX and Orbital Sciences spacecrafts, NASA is looking forward to sending humans to low-Earth orbit with commercial partners.
22 November 2013, 01:12 PM ET
Launched September 6th, LADEE has been orbiting the Moon for weeks while diagnostics confirmed it's scientific instruments were working correctly, allowing it to begin analyzing the Moon's extremely thin exosphere.
22 November 2013, 12:40 PM ET
Though no Mars sample-return mission is firmly on the books, the European Space Agency has supported the development of a proof-of-concept container built to keep Martian samples safe as they journey from their home world to Earth.
22 November 2013, 10:24 AM ET
NASA's newest lunar probe has officially begun its mission to study the moon's tenuous atmosphere like never before, as well as track how dust moves across the lunar sky. The Lunar Atmosphere and Dust Environment Explorer, nicknamed LADEE for short, enter
22 November 2013, 10:19 AM ET
Comet ISON has been billed as a potential 'comet of the century' but there's a trick to photographing the comet. See how to photograph Comet ISON from veteran space photographers Imelda Joson and Edwin Aguirre.
22 November 2013, 10:06 AM ET
As the possible 'comet of the century' (ISON) nears the Sun, it has come within the viewing range of the NASA Sun observing satellite. Earth, Mercury and the further away Comet Enke were all visible to the spacecraft on Nov. 21, 2013. (looped)
22 November 2013, 09:08 AM ET
Overnight on Jan. 28, 1986 icicles formed on the launch pad and service tower.
22 November 2013, 09:05 AM ET
NASA's LADEE moon mission will probe the lunar atmosphere like never before. The 100-day Lunar Atmosphere and Dust Environment Explorer mission is aimed at studying moon dust and its role in the moon's atmosphere. See the latest LADEE news.
22 November 2013, 07:27 AM ET
A team of NASA researchers is working to reduce the size and amount of dead bugs on a plane wing, a problem that increases fuel use and pollution.
22 November 2013, 07:01 AM ET
Humanity has the skills to deflect a killer asteroid of virtually any size — even one as big as the 6-mile-wide behemoth that killed off the dinosaurs 65 million years ago — as long as the space rock is spotted with enough lead time, experts say.