Watch Live @ 9 pm ET: Slooh Earth Day Webcast
The Slooh community observatory will be celebrating Earth Day on Saturday (April 22), with a webcast beginning at 9 a.m. EDT (1300 GMT). During the webcast, members of the public will share the things they’d miss most about Earth if they had to go to space, while two astronauts will name the things they did […]
2016 Moon Phases Calendar
Thursday, Dec. 6, 2012, 10:31 a.m. EST. The last or third quarter moon rises around 11:30 p.m. and sets around 12:15 p.m. It is most easily seen just after sunrise in the southern sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of […]
Amazing Mars Photos by NASA's Curiosity Rover (Latest Images)
This illustration provides a comparison for how big the moons of Mars appear to be, as seen from the surface of Mars, in relation to the size that Earth’s moon appears to be when seen from the surface of Earth. Deimos, at far left, and Phobos, beside it, are shown together as they actually were […]
Watch Live! Now: 2017 Astronaut Class Interviews, Later: NASA Budget Hearing
[embedded content] NASA’s newest astronauts are meeting the press in a series of televised interviews today through 1 p.m. EDT (1700 GMT). Space.com’s Hanneke Weitering will interview astronaut candidate Robb Kulin, formerly of SpaceX, at 11:20 a.m. EDT (1520 GMT). Tune in! Main Story: NASA Reveals 12 New Astronauts for Earth Orbit, Deep Space Missions What’s […]
Exoplanets: Worlds Beyond Our Solar System
The youngest exoplanet yet discovered is less than 1 million years old and orbits Coku Tau 4, a star 420 light-years away. Astronomers inferred the planet’s presence from an enormous hole in the dusty disk that girdles the star. The hole is 10 times the size of Earth’s orbit around the Sun and probably caused […]
Water on Mars: Exploration & Evidence
Liquid water may still flow on Mars, but that doesn’t mean it’s easy to spot. The search for water on the Red Planet has taken more than 15 years to turn up definitive signs that liquid flows on the surface today. In the past, however, rivers and oceans may have covered the land. Where did […]
Destination Pluto: NASA's New Horizons Mission in Pictures
New Horizons space probe provides the highest resolution image of Pluto ever seen as presented in a NASA press conference on July 15, 2015, at the Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland. This region near Pluto’s equator surprisingly contains a range of youthful mountains rising to heights of 11,000 feet (3,500 m) above […]
Astronomers Discover Planetary Odd Couple
Astronomers have discovered a pair of neighboring planets with dissimilar densities orbiting very close to each other. original
Kuiper Belt Objects: Facts about the Kuiper Belt & KBOs
by Nola Taylor Redd , Space.com Contributor | January 22, 2016 01:06pm ET This artist’s impression shows the distant dwarf planet Eris in the distance with its moon Dysmonia in the foreground. New observations have shown that Eris is smaller than previously thought and almost exactly the same size as Pluto. Eris is extremely reflective […]
Best Telescopes for the Money – 2016 Reviews and Guide
Space.com Editors have selected 12 Great Telescopes in 4 Categories. Are you a traveler? Student of the sky? On a budget? Live in a small home? Do you like digital tech? Or prefer an analog approach? *Editor’s Note: Start saving on your entire gift list . Get up to 15% cash back and exclusive deals on gadgets, […]
Celestron NexStar 130SLT Review | What is the Best Beginner Telescope?
130mm Aperture Newtonian Reflector Telescope with SkyAlign Go-To ComputerCredit: Space.com Reflector Telescopes: Newton Astride a Tripod Bright guy, Sir Isaac Newton: He managed to distill the mechanics of our local universe down to three simple laws of motion. He developed much of mathematical calculus. And he harnessed the magnification properties of concave mirrors to drive […]
Solar Eclipses: An Observer's Guide (Infographic)
by Karl Tate , SPACE.com Infographics Artist | September 11, 2015 09:29am ET Editor’s note: The next solar eclipse will occur on Sunday, Sept. 13, 2015. It will be a partial solar eclipse that will be visible primarily from South Africa and Antarctica. The next lunar eclipse will be a total lunar eclipse on Sept. […]
NASA's Kepler Releases New Catalog- 2,321 Planet Candidates
Since science operations began in May 2009, the Kepler team has released two catalogs of transiting planet candidates. original