Pluto should be classified as a planet again, scientists argue
A new study is reigniting the debate over Pluto’s status as a dwarf planet — a clash that has been going for 15 years.
A new study is reigniting the debate over Pluto’s status as a dwarf planet — a clash that has been going for 15 years.
NASA's James Webb Telescope launches into space
After years of delays, NASA's James Webb Telescope blasted off into space on Christmas morning. It's now the biggest and most powerful tool for exploring space that's ever been built.
After years of delays, NASA's James Webb Telescope blasted off into space on Christmas morning. It's now the biggest and most powerful tool for exploring space that's ever been built.
Largest cluster of rogue planets discovered by astronomers
A team of astronomers has discovered nearly 70 rogue planets— cosmic objects that resemble a planet but do not orbit a star.
A team of astronomers has discovered nearly 70 rogue planets— cosmic objects that resemble a planet but do not orbit a star.
James Webb Space Telescope, world’s largest and most powerful, launched Christmas morning
NASA's James Webb Space Telescope launched successfully early Christmas morning from French Guiana on South America’s northeastern coast, riding a European Ariane rocket into the sky.
NASA's James Webb Space Telescope launched successfully early Christmas morning from French Guiana on South America’s northeastern coast, riding a European Ariane rocket into the sky.
James Webb Space Telescope: How to watch launch of Hubble's successor
The James Webb Space Telescope, Hubble’s more powerful successor, is scheduled for liftoff on Christmas morning. Here’s how to watch.
The James Webb Space Telescope, Hubble’s more powerful successor, is scheduled for liftoff on Christmas morning. Here’s how to watch.
Liftoff! SpaceX launches final mission of 2021
That's a wrap for 2021.
That's a wrap for 2021.
2021 Ursid meteor shower: Where, when to see the celestial event
The Ursid meteor shower happens every year and is considered a “low-key” affair because usually only between 5 and 10 meteors can be seen per hour, which is considered a small number.
The Ursid meteor shower happens every year and is considered a “low-key” affair because usually only between 5 and 10 meteors can be seen per hour, which is considered a small number.
James Webb Space Telescope: Everything to know about the $10B Hubble successor
The $10 billion successor to the Hubble Space Telescope is about to take flight.
The $10 billion successor to the Hubble Space Telescope is about to take flight.
COVID-19 in pictures: Photographer captures air travel’s contrast in 2020, 2021
Aviation photographer Ryan Patterson set out to show how the COVID-19 pandemic altered air travel in 2020 and 2021 with the click of his camera.
Aviation photographer Ryan Patterson set out to show how the COVID-19 pandemic altered air travel in 2020 and 2021 with the click of his camera.
NASA’s Perseverance rover makes ‘unexpected’ discovery about volcanic lava on red planet
Perseverance arrived in February at Mars’ Jezero Crater — a former lakebed and river delta — in search of rocks that could contain evidence of past Martian life.
Perseverance arrived in February at Mars’ Jezero Crater — a former lakebed and river delta — in search of rocks that could contain evidence of past Martian life.
NASA spacecraft ‘touches’ sun for first time ever, flew through star's upper atmosphere
It took a few months to get the data back, but NASA was finally able to confirm its spacecraft officially touched the sun and flew through its atmosphere, known as the corona.
It took a few months to get the data back, but NASA was finally able to confirm its spacecraft officially touched the sun and flew through its atmosphere, known as the corona.
Geminid meteor shower: Shooting stars light up night sky during peak
The Geminid meteor shower peaked early on Dec. 14, presenting a dazzling display for many stargazers on Earth.
The Geminid meteor shower peaked early on Dec. 14, presenting a dazzling display for many stargazers on Earth.
How to watch: Geminid meteor shower to peak Monday night
If you’re outside overnight, look up. You might see a shooting star!
If you’re outside overnight, look up. You might see a shooting star!
Michael Strahan joins Jeff Bezos Blue Origin crew, NASA astronaut Alan Shephard’s daughter to space
Michael Strahan hurtled toward space with Jeff Bezos’ rocket company Blue Origin Saturday, sharing the ride with the daughter of America’s first astronaut and four others.
Michael Strahan hurtled toward space with Jeff Bezos’ rocket company Blue Origin Saturday, sharing the ride with the daughter of America’s first astronaut and four others.
FAA will no longer award commercial astronaut wings, starting 2022
The FAA said Friday it's clipping its astronaut wings because too many people are now launching into space.
The FAA said Friday it's clipping its astronaut wings because too many people are now launching into space.
4660 Nereus, asteroid the size of the Eiffel Tower, to fly past Earth
Asteroid 4660 Nereus is expected to come within 2.4 million miles of Earth on Dec. 11, which is close in asteroid terms. Here’s what to know about it.
Asteroid 4660 Nereus is expected to come within 2.4 million miles of Earth on Dec. 11, which is close in asteroid terms. Here’s what to know about it.
Comet Leonard: See the ultrafast object before it disappears forever
Comet Leonard will sweep closest to Earth on December 12, passing about 21 million miles away.
Comet Leonard will sweep closest to Earth on December 12, passing about 21 million miles away.
NASA, SpaceX launch IXPE spacecraft to observe black holes, neutron stars
A SpaceX Falcon 9 rocket carried NASA’s Imaging X-ray Polarimetry Explorer (IXPE) spacecraft into orbit early Thursday morning.
A SpaceX Falcon 9 rocket carried NASA’s Imaging X-ray Polarimetry Explorer (IXPE) spacecraft into orbit early Thursday morning.
Blue Origin space flight delayed for Michael Strahan, 5 others due to high wind
Michael Strahan was supposed to blast off Thursday from West Texas with five others for the 10-minute flight.
Michael Strahan was supposed to blast off Thursday from West Texas with five others for the 10-minute flight.
After multiple delays, ULA launches Atlas V rocket from Cape Canaveral
When the launch does happen, the rocket will reportedly carry a laser communications demonstration project into space.
When the launch does happen, the rocket will reportedly carry a laser communications demonstration project into space.