Space
We summarize the week's scientific breakthroughs every Thursday.
- Cosmology
Debate accelerates on universe’s expansion speed
A puzzling mismatch is plaguing two methods for measuring how fast the universe is expanding.
- Particle Physics
Latest search for dark matter comes up empty
Scientists continue to come up empty-handed in the search for dark matter. The latest effort from the LUX experiment found no evidence for dark matter.
- Planetary Science
40 years ago, Viking 1 pioneered U.S. exploration on Mars
Forty years ago, Viking 1 became the first U.S. mission to land safely on the surface of Mars.
- Astronomy
Kepler tally grows: 104 more exoplanets confirmed
Kepler space telescope adds another 104 planets to its growing census of worlds in our galaxy.
- Astronomy
Black hole born without stellar parent, evidence suggests
A galaxy in the early universe might harbor the first known “direct collapse” black hole, one that forms when a cloud of gas collapses under its own weight without forming stars.
- Planetary Science
Juno snaps its first pic of Jupiter
Jupiter and three of its moons take center stage in the first snapshot taken by the Juno spacecraft since arriving at the planet on July 4.
- Planetary Science
New dwarf planet discovered lurking beyond Neptune
Newly discovered dwarf planet 2015 RR245 takes about 700 years to orbit the sun and lives among the icy boulders of the Kuiper belt.
- Planetary Science
New clues in search for Planet Nine
Lots of unknowns remain as researchers try to pin down where a possible ninth planet might be hiding in the solar system.
- Planetary Science
The Juno spacecraft is now in orbit around Jupiter
NASA’s Juno spacecraft successfully entered orbit around Jupiter, beginning a 20-month investigation of the giant planet’s interior.
- Planetary Science
The Juno spacecraft is now in orbit around Jupiter
NASA’s Juno spacecraft successfully entered orbit around Jupiter, beginning a 20-month investigation of the giant planet’s interior.
- Planetary Science
Mars once had many moons
Mars' moons might be the only two left of a larger family of satellites that helped them form in the wake of an asteroid collision.
- Planetary Science
Juno spacecraft is on its final approach to Jupiter
Everything looks good for the Juno spacecraft, which arrives at Jupiter on July 4.
