A High-Velocity Collision With Our Galaxy’s Disk
A new study finds evidence that a high-velocity cloud may have smashed into the Milky Way’s disk five million years ago.
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History of a Rare Radio Galaxy Revealed by Its Jets
The unusual structure of a recently discovered radio galaxy gives scientists clues about its temperamental past.
A New Player in the Search for Extraterrestrial Intelligence
Can we find life beyond Earth? A new experiment in the Search for ExtraTerrestrial Intelligence (SETI) has been conducted at the Murchison Widefield Array in Australia.
Exploring the Birth of Binary Stars
More than half of all stars are thought to be in binary or multiple star systems. But how do these systems form? The misaligned spins of some binary protostars might provide a clue.
K2’s First Five-Planet System
Kepler’s K2 mission has found its first planetary system containing more than three planets — an exciting five-planet system located ~380 light-years from Earth.
Images of an Activated Asteroid
In late April of this year, asteroid P/2016 G1 was discovered streaking through space, a tail of dust extending behind it. What caused this asteroid’s tail?
How a Star Cluster Ruled Out MACHOs
Are massive black holes hiding in the halos of galaxies, making up the majority of the universe’s mysterious dark matter?
Observing the Sun with NuSTAR
A high-energy telescope designed to observe distant astrophysical sources has recently been used to point much closer to home. Can it solve a few longstanding mysteries about the Sun?
Water Clouds in the Atmosphere of a Jupiter-Like Brown Dwarf
New observations have provided evidence of water clouds in the atmosphere of a brown dwarf located just 7.2 light-years away.
A Pulsar and a Disk
Recent, unusual X-ray observations from the Small Magellanic Cloud have led to an interesting model for SXP 214, a pulsar in a binary star system.