Jeremy Hsu

Astronauts who set out to one day travel among the stars have sometimes – like famed moonwalker Buzz Aldrin – become stars in their own right on Earth.

Orbital Sciences' new Cygnus space freighter and Taurus 2 rocket for space station cargo flights draw on a solid history of spaceflight experience.

Harmless interstellar hydrogen becomes deadly ionized radiation that would fry the crew and electronics of starships traveling near light speed, according to a physicist.

A private company's VASMIR plasma rocket could fit NASA's bill for getting humans to Mars in a much shorter time.

NASA scientists study the inner ear mechanics of toadfish to better understand problems that astronauts face in readjusting to Earth's gravity

An Italian aerospace firm first wants to test whether hypersonic space planes could pull off high-speed aeronautic maneuvers during the fiery reentry into Earth's atmosphere.

Recent lab experiments simulate whether the building blocks of life could have survived the rough arrival on Earth via meteorite impact.

NASA's Fermi Gamma-Ray Space Telescope will search for mysterious gamma-ray flashes.

NASA's new technology guru, Robert Braun, spoke with SPACE.com.

Space Exploration Technologies' new Falcon 9 rocket is assembled in Cape Canaveral, FL for a debut in the first half of 2010.

Evidence suggests liquid water exists inside Saturn's moon Enceladus.

The all-seeing Solar Dynamics Observatory promises to reveal the sun in HD resolution and help scientists better predict dangerous solar storms.

NASA’s effort to spot asteroids that could threaten Earth may be starved for funding, but two new space telescopes could be enough to help safeguard the planet.

Space industry executives hail new government funding for commercial spaceflight and counter critics who question its safety.

Astronomers can now share universe simulations in real-time thanks to new supercomputer software.

NASA's WISE spacecraft will scan the entire sky one-and-a-half times in nine months to help uncover the coolest stars, dark asteroids and distant galaxies.

Snoopy celebrates the 40th anniversary of the Apollo 10 moon mission and NASA's ongoing safety program.

Small black holes mysteriously self-regulate, just like their supermassive cousins.

NASA is planning an overhaul of its three space communication networks to boost data transfer speeds by up to 50 times in support of missions to the moon, Mars and beyond.

The Top 9 Spaceflight Stories in 2009. 5 shuttle missions, a space program in transition and space tourism strides are just some of the top spaceflight stories of the year.

Here are the 9 Best Space Science Stories of 2009.

NASA has licensed a method to grow algae in municipal wastewater and produce biofuel.

When robotic spacecraft someday bring a sample of Mars back to Earth, scientists will need specially-designed facilities that will prevent the samples from escaping to the outside world.

Space solar power advocates may soon get their day in the sun, but one scientist worries that a U.S.-based project is promising too much, too soon.