The SciencesApril 22, 2010
Hubble Space Telescope clocks up 20 years
looks at a troubled history, some remarkable discoveries and the future of the instrument.
Hubble at 20: An Astronomical Success
After myriad delays and budget overruns, the Hubble Space Telescope finally roared toward orbit on space shuttle Discovery on April 24, 1990. Despite a rocky start, Hubble has in its two decades of operation revolutionized astrophysics and cosmology
Space & PhysicsMarch 12, 2010
6 Fun Facts about the James Webb Space Telescope [Slide Show]
The mammoth infrared observatory, scheduled to launch in 2014, will look back to the first stars in the universe
Space & PhysicsJanuary 29, 2010
The space shuttle's 2009 mission to Hubble: Coming soon to a theater near you
Space & PhysicsJanuary 14, 2010
In praise of small things: Second dispatch from the American Astronomical Society meeting
Space & PhysicsOctober 13, 2009
What do we really know about the Kuiper belt? Fifth dispatch from the annual planets meeting
Space & PhysicsJuly 28, 2009
Space Aged: 10 Spacecraft from Decades Past That Are Still Ticking [Slide Show]
Whether peering into deep space or checking on human activity, spacecraft and satellites from days gone by are still on the job
Space & PhysicsJuly 14, 2009
10 Telescopes That Changed Our View of the Universe [Slide Show]
Historic telescopes through the ages, from Galileo to the 21st century
Space & PhysicsMay 25, 2009
Having serviced Hubble one last time, space shuttle Atlantis lands safely
Space & PhysicsMay 8, 2009
Last Dance with the Shuttle: What's in Store for the Final Hubble Servicing Mission
A Q&A with Hubble Space Telescope senior project scientist David Leckrone
Space & PhysicsApril 3, 2009
Hubble's archive shows hidden exoplanet discovered 10 years later
Space & PhysicsFebruary 24, 2009
Dome Big Dome: Giant Observatories Augur New Era of Cosmology
When a new generation of giant ground-based telescopes comes online in the next decade, human eyes will see what no one has seen before
Space & PhysicsFebruary 19, 2009
Messy space: Will orbiting trash threaten the Hubble repair mission?
Space & PhysicsNovember 13, 2008
Out of this World Pictures: First Direct Photos of Exoplanets
In an astronomy first, researchers image exoplanets orbiting two stars
Space & PhysicsOctober 15, 2008
Hubble hopes pinned to tricky remote-control reboot
Space & PhysicsSeptember 23, 2008
The Expanding Universe: From Slowdown to Speed Up
Distant supernovae are revealing the crucial time when the expansion of the universe changed from decelerating to accelerating
The SciencesApril 21, 2008
Discovering a Dark Universe: A Q&A with Saul Perlmutter
Dark energy is pushing the universe apart at an ever faster rate. Astrophysicist Saul Perlmutter recounts the experimental approaches he took to make that discovery
Space & PhysicsJuly 1, 2006
Hubble's Top 10
As they wait for the space telescope to be serviced one last time, astronomers reflect on its discoveries over the past 16 years
Space & PhysicsOctober 9, 2002
Astronomers Discover Icy World Far Past Pluto