Seven years into its three-month mission, the Mars rover Opportunity reaches Endeavour Crater, a possible geologic treasure trove. John Matson reports
The Opportunity rover is less than 50 meters from the crater rim and is due to pull up to it later this week
Blog documenting quest to replicate finding could be taste of things to come.
A glut of alien sci-fi films comes at a time when scientific discoveries are making the existence of life beyond Earth seem more and more plausible
Newfound features on the Red Planet hint that liquid water may still exist there
Brian Cox's new television miniseries uses our planet as his canvas to explain the origins of light, matter, time and other ethereal concepts
The site is a giant crater called Gale, thought to harbor clues of ancient water activity on the Martian surface
Flagship missions at risk as astrophysics funding shrinks.
NASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be habitable. Part 2 of 2. John Matson reports
NASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be in habitable zones around their stars. John Matson reports
A supernova that went off in 1987 produced large quantities of dust, which may explain why galaxies in the early universe were so dusty
Computer simulations show that about 10 percent of planets could have a massive moon that helps to stabilize the planetary tilt. John Matson reports
The Cassini spacecraft plunged through watery plumes shooting out of Enceladus and got a taste of what is inside the icy moon
The Tagish Lake meteorite fragments contain widely varying organic compounds, a sign that chemical reactions were taking place on board the body in space. John Matson reports
Springtime on Mars is quite a bit balmier than the planet's winter season, but it's still plenty icy near the Red Planet's poles.
Help find the first pristine interstellar dust particles ever brought to Earth
A database of stars with known ages and spin rates could let astronomers gauge more stars' ages and find the ones old enough to support planets that could have complex life. John Matson reports...
High temperature, low oxygen and permanent darkness are no problem for a previously unknown species of nematode
Liquid camp winning out despite mixed signals.