Sex and Pregnancy on Mars: A Risky Proposition By JR Minkel Astronauts sent to colonize Mars should avoid getting pregnant en route to the Red Planet.
11 Things Americans Will Be Doing in Space in 2011 By JR Minkel From private spaceflights, to NASA missions to the moon, Mars and beyond, here's a preview of coming attractions in U.S. spaceflight for 2011.
Stars Love Jets, Cosmic Study Shows By JR Minkel A baby star has been found spewing cosmic jets at nearly the speed of light.
Earliest Galaxies Helped Lift Universe's Cosmic Fog By JR Minkel Researchers are building a better picture of one of the most important changes in the early universe.
Is the International Space Station Worth $100 Billion? By JR Minkel Asking the International Space Station to justify its existence is a tall order.
Dwarf Planet's Claim to Fame Is Unshaken by Lingering Mysteries By JR Minkel The dwarf planet Eris has been found to have a surface much like Pluto's and still harbors surprises five years after its discovery.
As the Asteroid Turns: Hubble Records New Video of 2nd Biggest Space Rock By JR Minkel A new video of the second biggest asteroid in the solar system is giving astronomers a better sense of how the object spins.
Massive X-ray-Belching Black Hole Finally Fits Cosmic Theory By JR Minkel Scientists have a new origins story for a massive black hole that spews X-rays as it orbits an even larger companion star.
Ancient Galaxies Really Sucked (Gas, That Is) By JR Minkel Astronomers have been scratching their heads over how early galaxies pumped out so many baby stars.
Astronomers Find Largest Molecules Ever Known in Space By JR Minkel Astronomers have found evidence of buckyballs — carbon molecules shaped like soccer balls — in the nebula around a distant white dwarf star.
Giant Stars Seem To Form Just Like Smaller Ones By JR Minkel Astronomers have found a disk of dust around a huge, massive star in its early stages of growth, indicating that stars big and small form by the same mechanism.
New Kind of Supernova Star Death Revealed By JR Minkel Two newfound, faint supernovas are hinting at the existence of a new way stars can die.