Energy Department says advanced nuclear reactor achieves first criticality milestone
Antares Nuclear’s microreactor at Idaho National Laboratory reached criticality, marking the first time a private company has achieved a self-sustaining nuclear chain reaction under a Trump administration pilot program.
Antares Nuclear’s microreactor at Idaho National Laboratory reached criticality, marking the first time a private company has achieved a self-sustaining nuclear chain reaction under a Trump administration pilot program.
Astronauts sheltering on International Space Station after new leak found
Five astronauts have been told to take shelter aboard the International Space Station after a new leak was found.
Five astronauts have been told to take shelter aboard the International Space Station after a new leak was found.
Northern Lights likely to be visible across northern US Thursday night
The Northern Lights are expected to be visible across the northern U.S. on Thursday and possibly early Friday after a strong geomagnetic storm watch was issued.
The Northern Lights are expected to be visible across the northern U.S. on Thursday and possibly early Friday after a strong geomagnetic storm watch was issued.
June skywatching guide: From planet conjunctions to new moons, here is what to look up for
From the conjunction of two of the brightest plants in our galaxy to the June solstice, this month has countless opportunities to witness astronomical events.
From the conjunction of two of the brightest plants in our galaxy to the June solstice, this month has countless opportunities to witness astronomical events.
Trump administration seeks federal grant oversight
The Trump administration is looking to give political appointees more power over federal grants, to ensure they “demonstrably advance” the president's policy priorities.
The Trump administration is looking to give political appointees more power over federal grants, to ensure they “demonstrably advance” the president's policy priorities.
Photographer captures rare photo of a pair of eagles in this East Bay city
A local photographer captured a rare and stunning image of two bald eagles hanging out along a Bay Area waterfront.
A local photographer captured a rare and stunning image of two bald eagles hanging out along a Bay Area waterfront.
Emu causes traffic back-up, hours-long pursuit on Maryland highway
An escaped emu led Maryland state troopers on a three-hour chase, dodged multiple capture attempts, survived being struck by a vehicle and kept running.
An escaped emu led Maryland state troopers on a three-hour chase, dodged multiple capture attempts, survived being struck by a vehicle and kept running.
Loud sonic boom heard and felt by hundreds across parts of New England
The meteor disbanded about 40 miles above northeastern Massachusetts and southeastern New Hampshire, releasing energy equivalent to nearly 300 tons of TNT that produced a loud enough boom to startle the region and spark the ever important question: "What was that?"
The meteor disbanded about 40 miles above northeastern Massachusetts and southeastern New Hampshire, releasing energy equivalent to nearly 300 tons of TNT that produced a loud enough boom to startle the region and spark the ever important question: "What was that?"
Dead gray whale along San Leandro shoreline
A dead gray whale has washed up along the San Leandro shoreline near the Bay Trail south of Marina Park.
A dead gray whale has washed up along the San Leandro shoreline near the Bay Trail south of Marina Park.
UN says next five years to smash heat records
A new report from the United Nations weather agency gives a 75% chance that the next five years will see higher temperatures, underscoring the rapid pace of climate change.
A new report from the United Nations weather agency gives a 75% chance that the next five years will see higher temperatures, underscoring the rapid pace of climate change.
Deep-sea nightmare: The bone-chilling fish lurking along the ocean floor
The Stargazer fish, known for its creepy face and deadly ambush tactics, has electric organs capable of delivering up to 50 volts.
The Stargazer fish, known for its creepy face and deadly ambush tactics, has electric organs capable of delivering up to 50 volts.
Tick bite ER visits hit highest seasonal level in years as doctors warn of disease surge
Tick bite-related ER visits are at their highest seasonal levels since 2017 across most U.S. regions, raising concerns about increased Lyme disease and other tick-borne illnesses.
Tick bite-related ER visits are at their highest seasonal levels since 2017 across most U.S. regions, raising concerns about increased Lyme disease and other tick-borne illnesses.
New hepatitis B drug may be a 'functional cure' for some people
New research implies that a first-of-its-kind drug for hepatitis B could allow some patients to stop treatment without showing signs of the dangerous virus.
New research implies that a first-of-its-kind drug for hepatitis B could allow some patients to stop treatment without showing signs of the dangerous virus.
Video: Sea lion leaps into canoe during Monterey Bay race
An enthusiastic sea lion leaped out of the Monterey Bay over Memorial Day weekend, hopping onto a racing outrigger canoe, before slipping back into the saltwater and becoming an instant viral sensation.
An enthusiastic sea lion leaped out of the Monterey Bay over Memorial Day weekend, hopping onto a racing outrigger canoe, before slipping back into the saltwater and becoming an instant viral sensation.
UFO insider claims US has bodies of 4 different alien species from downed spacecraft in government custody
Dr. Hal Puthoff claims the U.S. has recovered the remains of four separate species of alien life from UFOs, citing people involved in the recoveries.
Dr. Hal Puthoff claims the U.S. has recovered the remains of four separate species of alien life from UFOs, citing people involved in the recoveries.
Look up: Rare Blue Moon and 4 planets will shine across the sky at the end of May
A rare celestial event is happening at the end of the month.
A rare celestial event is happening at the end of the month.
Watch: RFK Jr. wrangles snakes on Dr. Oz's patio
Video showed Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. wrangling a pair of black North American racer snakes at Dr. Mehemet Oz's home on Tuesday.
Video showed Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. wrangling a pair of black North American racer snakes at Dr. Mehemet Oz's home on Tuesday.
SpaceX launches satellites from Vandenberg Space Force Base | KTVU
Space-X launched 24 Starlink satellites from the Vandenberg Space Force Base. The Starlink 17-37 mission had experienced several launch delays throughout the month, but was launched today on May 26, 2026.
Space-X launched 24 Starlink satellites from the Vandenberg Space Force Base. The Starlink 17-37 mission had experienced several launch delays throughout the month, but was launched today on May 26, 2026.
Dying star creates stunning 'crystal ball' nebula
A dying star has rarely appeared so beautiful.
A dying star has rarely appeared so beautiful.
Filoli Launches “Kids Go Free” Promo for Summer
Starting May 30, children ages 0–14 get in FREE with every full-price adult ticket. Sonia Capitant, associate director of community programs and partnerships with Filoli Gardens, gives insight.
Starting May 30, children ages 0–14 get in FREE with every full-price adult ticket. Sonia Capitant, associate director of community programs and partnerships with Filoli Gardens, gives insight.