Black hole awakening observed for first time
"We were able to observe the awakening of the massive black hole, [which] suddenly started to feast on gas," researcher Claudio Ricci said.
Mars mission study reveals new jeopardy for human body
"While an astronaut could make it to Mars, they might need dialysis on the way back," researcher Keith Siew said.
Ancient star found zooming out of galaxy in rare discovery
"Its speed and trajectory showed that it was moving fast enough to potentially escape the Milky Way," researcher Adam Burgasser said.
Explosion on sun's far side caused two-day radio blackout
A polar cap absorption event was sparked after the sun released a solar flare from a sunspot on its opposite side to Earth.
Construction set to start on world's most powerful telescope
The Giant Magellan Telescope in Chile promises to be one of the most ambitious telescope projects to-date.
NASA telescope discovers exploding stars "almost everywhere"
"Webb is a supernova discovery machine," researcher Christa DeCoursey said.
Mars astronauts could live in this mysterious 'pit'
Strange pits in the surface of our neighboring planet could provide shelter to astronauts from cosmic radiation, extreme temperatures, and meteorites.
Aliens may already live on Earth, Harvard researchers say
Unidentified aerial phenomena could be explained by the presence of aliens or even "magical cryptoterrestrials," according to a study.
Supermassive black hole's "wind" shapes surrounding galaxy
Astronomers analyzed observations of a quasar to find changes in the winds surrounding it.
Physicist's gravity revelation may finish 'endless search' for dark matter
The existence of dark matter has been inferred from the gravitational effects it has on visible matter but new research is questioning this scenario.
Massive solar flares, storm "light up" Mars: NASA
Recent solar activity has created "glowing auroras" over Mars, NASA scientists say.
"Drastic changes" in interstellar space may have caused ice age
Our solar system encountered an interstellar cloud so dense that it may have affected the Sun's solar wind and influenced the Earth's atmosphere.
Mysterious "Phoenix" world challenges theories of planetary evolution
Researchers at Johns Hopkins University have discovered a new "hot Neptune" exoplanet that has developed a "puffy" atmosphere.
Breakthrough in mystery of aurora-like phenomenon STEVE
"STEVE" is a strange aurora-like structure characterized by a glowing purple arc but new research finds that it may not be alone.
NASA's Boeing launch seen from space
The launch was the third attempt for the Starliner mission after delays to previous attempts.
More auroras expected for US during sun's "solar maximum"
A green aurora is triggered when the solar particles make contact with oxygen, while blue or purple hues are caused by nitrogen.
China stakes claim on "dark side" of moon
Chang'e-6 is making its return journey after racking up a pair of firsts for China.
Watch Live: Boeing's Starliner, first piloted space mission, set for launch
NASA astronauts Butch Wilmore and Suni Williams are ready to fly aboard Boeing's Starliner, which is set to launch to the International Space Station.
New Iceland volcano eruption seen from space
An image taken from space shows the extent of the lava pouring from a fissure in the ground after a volcano in Iceland erupted.
Northern lights may be visible in the US today
A G1 geomagnetic storm might occur this evening due to a coronal mass ejection from the sun smashing into Earth's magnetic field.
New "sugar world" discovered in Kuiper Belt
The study provides new insights into the chemical processes that took place in the early solar system and possibly on early Earth.
Northern lights could return tonight in some US states
A G2 geomagnetic storm is set to collide with the Earth's atmosphere, resulting in auroras as far south as New York state and Idaho.
Mystery of unique double moon shines light on planet formation
"There's a lot more complexity in these small bodies than we originally thought," said researcher Jessica Sunshine.
US radio blackouts as historic sunspot fires off "remarkable" X-flare
The solar flare was released from the same sunspot that triggered auroras seen around the world on May 10.
Northern Lights expected in US in June: When could Aurora Borealis be seen?
May's stunning auroras are set to make a comeback early in June.
California's Clear Lake turned cloudy green in NASA image
Clear Lake in northern California, which is the largest freshwater lake in the state, has turned a bright green because of an algal bloom.
Historic aurora-causing sunspot returns
Sunspot AR3664, which fired the coronal mass ejections that sparked the northern lights on May 10, is about to face Earth again.
NASA's Webb reveals "sparkling" birth of universe's earliest galaxies
"You could say that these are the first 'direct' images of galaxy formation that we've ever seen," researcher Kasper Heintz said.
Venus "far more volcanically active" than was thought, say scientists
"This study provides further evidence in support of a currently geologically active Venus," the researchers wrote.
Death star black holes "swiveling around and pointing at new targets"—NASA
This change "is analogous to changing the direction of a new battleship in a few minutes," researcher Gerrit Schellenberger said.