The Webb Space Telescope captured a chance alignment of a protostellar outflow and a spiral galaxy in a dazzling example of the cosmos' weirdness.
A system 130 light-years away contains a gas integral to life processes on Earth.
A new study finally sheds light on our mysterious cosmic neighbors and sets a planet-hunting record.
A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how much could already be here.
A super-Neptune orbiting a star is zipping through space at 1.2 million miles per hour—or potentially faster.
Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for interstellar propulsion.
A star system 5,000 light-years from Earth, surrounded by layers of dust, could help scientists better understand the final stages of stellar life.
The cutting-edge observatory is charged with seeing some of the earliest visible light, and the recent image achieves a new milestone in stellar astronomy.
Perplexing data in the early 2000s raised questions about how planetary formation began in the universe, and new data from Webb provides some answers.
At 3.8 million miles from the Sun's surface, Parker Solar Probe will be the closest a human-made object's ever been to our host star.
A survey of Sun-like stars found that they produce a superflare roughly once per century.
The star offers hints at how huge stars shed gas and dim towards the ends of their lives.
The roughly four-billion-year-old system consists of a black hole and two orbiting stars—a configuration that's never been seen before.
The gargantuan object is driving a "cosmic two-for-one" that could shed light on the source of a weird kind of X-ray.
The newly identified three-body system has a problem, and it’s not aliens—it’s that in about 20 million years, the stars are expected to merge and explode.
The jets of material that spew from black holes catalyze stellar eruptions, surprising astronomers and raising questions about the jets' role in the universe.
Galaxies usually become chaotic when they run out of star-making fuel, but this one is going out surprisingly quietly.
The cold super-Jupiter's mass rivals that of some of the largest-known exoplanets.
A stellar binary could explain the red supergiant's pattern of intermittent dimming, but not everyone is convinced.
A recurring tidal disruption event was predicted and then came to pass, giving the researchers a chance to predict the black hole's next meal.
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