A dark region of space thought to be dark because of dust turns out to be really empty.
Astronomers have found the most distant galaxy cluster ever seen so far.
Oscillations in orbits due to the presence of a binary companion star may be responsible for misaligned planets ending up close to their parent stars.
Observations made by the STEREO spacecraft indicate that Mercury may have a tail like a comet.
Gullies in a Martian crater named Russel offer tantalizing hints that liquid water could be flowing around Mars right now.
The mysterious periodic fading of Epsilon Aurigae may be a little less mysterious thanks to observations by the CHARA array.
Infrared observations by ESA's Venus Express orbiter indicates that the planet Venus is still volcanically active.
The largest thing that has ever been observed in its quantum ground state is as long as the width of a human hair.
The LHC at CERN has collided two beams of protons with a total center-of-mass energy of 7 TeV (seven trillion electron volts).
90% of the distant Universe was thought to be missing, but it was recently found.
