Massive comet zooming through solar system could be alien technology, Harvard astrophysicist says
New data shows 3I/ATLAS is three to five orders of magnitude more massive than previous objects.
New data shows 3I/ATLAS is three to five orders of magnitude more massive than previous objects.
NASA has 36 projects you can help with right now
NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific discoveries.
NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific discoveries.
Life on Mars: What we know after NASA's announcement
NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.
NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.
Rocks found by NASA's Mars rover offer strongest hints yet of past life
Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.
Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.
September skygazing guide: Saturn shines bright, Corn Moon and Autumnal equinox
Early risers have the chance to see six planets at once.
Early risers have the chance to see six planets at once.
See the clearest photo yet from the surface of Mars
NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s terrain.
NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s terrain.
A rare ‘Black Moon’ set to rise this week: What to know
Stargazers will soon get the chance to experience a rare celestial event known as a Black Moon, set to occur this week.
Stargazers will soon get the chance to experience a rare celestial event known as a Black Moon, set to occur this week.
Perseid Meteor Shower 2025: When and where to watch this week
The Perseids meteor shower, considered the best of the year by NASA, is set to peak soon.
The Perseids meteor shower, considered the best of the year by NASA, is set to peak soon.
James Lovell, astronaut and Apollo 13 commander, dies
Astronaut James Lovell, who was commander of the 1970 Apollo 13 mission, has died. Here's what we know.
Astronaut James Lovell, who was commander of the 1970 Apollo 13 mission, has died. Here's what we know.
Curiosity rover finds more coral-shaped rocks on Martian surface
The rock was nicknamed "Paposo."
The rock was nicknamed "Paposo."
Full Sturgeon Moon, Perseid meteor shower and planetary conjunction to light up August skies
Here is your August 2025 guide for celestial events. The year will feature 12 full Moons, plenty of meteor showers, four eclipses and three Supermoons.
Here is your August 2025 guide for celestial events. The year will feature 12 full Moons, plenty of meteor showers, four eclipses and three Supermoons.
SpaceX Crew-11 launches from Florida, headed to ISS: Watch replay
NASA and SpaceX successfully launched the Crew-11 mission from Kennedy Space Center in Florida on Friday, and the spacecraft is now en route to the International Space Station (ISS).
NASA and SpaceX successfully launched the Crew-11 mission from Kennedy Space Center in Florida on Friday, and the spacecraft is now en route to the International Space Station (ISS).
Potential asteroid impact on Moon in 2032 could trigger massive meteor shower on Earth
If Asteroid 2024 YR4 crashes into the Moon in 2032, it would be the largest impact in about 5,000 years, according to a new analysis.
If Asteroid 2024 YR4 crashes into the Moon in 2032, it would be the largest impact in about 5,000 years, according to a new analysis.
Watch two meteor showers at once: Best time to see the Delta Aquariids and Capricornids
Two meteor showers—Southern Delta Aquariids and Alpha Capricornids—will peak before dawn on July 30, lighting up the sky with minimal moonlight interference.
Two meteor showers—Southern Delta Aquariids and Alpha Capricornids—will peak before dawn on July 30, lighting up the sky with minimal moonlight interference.
Delta flight makes emergency landing at LAX after engine fire caught on video
A Delta Air Lines flight experienced an apparent engine fire shortly after departing from California earlier this week.
A Delta Air Lines flight experienced an apparent engine fire shortly after departing from California earlier this week.
SkyWest flight nearly collides midair with Air Force B-52 near North Dakota airport
A SkyWest flight from Minneapolis narrowly missed a mid-air collision with a B-52 bomber near Minot Airport last week.
A SkyWest flight from Minneapolis narrowly missed a mid-air collision with a B-52 bomber near Minot Airport last week.
New tiny world beyond Neptune discovered, giving boost to ‘Planet Nine’ theory
Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed “Ammonite," researchers say it could provide more evidence to the hypothetical “Planet Nine" beyond Neptune.
Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed “Ammonite," researchers say it could provide more evidence to the hypothetical “Planet Nine" beyond Neptune.
Massive Mars rock from outer space could fetch up to $4M at prestigious Sotheby's auction
Bidding opens at $1.6 million for the rare meteorite which was discovered in Niger's Sahara Desert.
Bidding opens at $1.6 million for the rare meteorite which was discovered in Niger's Sahara Desert.
Transportation Secretary Sean Duffy named acting NASA administrator
U.S. Transportation Secretary Sean Duffy will dually serve as acting NASA administrator, President Donald Trump announced Wednesday.
U.S. Transportation Secretary Sean Duffy will dually serve as acting NASA administrator, President Donald Trump announced Wednesday.
Why July 9 will likely be one of the shortest days in recorded history
Today could be the shortest day you’ve ever experienced – but it’ll happen faster than the blink of an eye.
Today could be the shortest day you’ve ever experienced – but it’ll happen faster than the blink of an eye.