In the history of science and physics, several scholars, theories, and equations have become household names. In terms of scientists, notable examples include Pythagoras, Aristotle, Galileo, Newton, Planck, and Hawking. In terms of theories, there’s Archimede’s “Eureka,” Newton’s Apple (Universal Gravitation), and Schrodinger’s Cat (quantum mechanics). But the most famous and renowned is arguably Albert Einstein, Relativity, and the famous equation, E=mc2. In fact, Relativity may be the best-known scientific concept that few people truly understand.
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What Is Dark Matter?
Roughly 80% of the mass of the universe is made up of dark matter, a material that scientists cannot directly observe. So why do scientists think it dominates?
See Mars shine very close to moon in Saturday's pre-dawn sky. Here's where to look.
Mars and Venus will shine close to the crescent moon 45 minutes before sunrise on Jan. 29, 2022. Look to the southeast on the horizon to see them, weather permitting.
Giant 'tree stump' impact crater spotted on Mars
A Mars probe has snapped a peculiar image of the Red Planet's surface that looks like a giant tree stump, rings and all.
The Scientific Debate Rages on: Is there Water Under Mars’ South Pole?
There’s no surface water on Mars now, but there was a long time ago. If you ask most people interested in Mars, what’s left of it is underground and probably frozen.
We Already Have the Technology to Save Earth From a “Don’t Look Up” Comet or Asteroid
What if a 10 km (6.5 mile)-wide asteroid was on a bee-line towards Earth, with an impending, calamitous impact just six months away? This was the scenario in the recent Netflix film, “Don’t Look Up.” The movie has led many to wonder if we have the resources and technology ready and available today to avert such a disaster.
The Arctic 'ring of fire' solar eclipse of 2021 changed southern auroras. Here's how.
A solar eclipse on one side of Earth stimulated aurora displays on the opposite side of our planet, according to a new study.
For NASA, a somber 'Day of Remembrance' casts spotlight on astronaut safety to prevent tragedies
NASA leaders emphasized the importance of safety and having an inclusive culture in a discussion held during the agency's annual Day of Remembrance to honor fallen astronauts.
Space station cargo ship named in honor of late NASA astronaut Piers Sellers
A British-American climate scientist who launched on three missions to the International Space Station is being honored with the naming of a U.S. commercial spacecraft bound for the orbiting complex.
How big is the moon?
How big is the moon? Our moon is the fifth largest moon in the solar system, with a radius of 1,079.6 miles (1,737.5 kilometers).
The first Vulcan rocket will launch ashes of Star Trek actors, fans and more into space
The first Vulcan Centaur rocket launch will launch the ashes and DNA of "Star Trek" fans and actors in 2022.
Best Doctor Who audio dramas
The sound of the Tardis crashing isn't the only Doctor Who audio drama, check out these excellent audio entries into the Whoniverse.
NASA is Already Designing Hardware for a Mars Sample Return Mission
Testing is key to the success of any space mission, and the more complex the mission, the more testing is required to complete it successfully. The Mars Sample Return (MSR) mission is one of the most ambitious missions ever undertaken. It started with the Perseverance rover, which is currently exploring Jezero crater while occasionally stopping to fill sample bottles with interesting material. But the more impressive engineering feat is what happens next. NASA plans to launch a combination lander, rover, and ascent rocket that will land on the Martian surface, pick up the sample containers Perseverance has left behind, sterilize them, launch them back into space, and then return them to Earth.
How big is the universe?
Based on what we can observe, the universe appears to be almost 28 billion light-years in diameter. However, it is far larger than that.
Star facts: History, formation and classification
Learn how stars form, how stars and constellations are named, what happens when stars like our sun evolve, and ultimately, die.
What is the cosmic microwave background?
The cosmic microwave background (CMB) is primeval radiation emitted shortly after the Big Bang. Regarded as an 'echo' of the Big Bang, CMB fills the universe.
Japanese company ispace delays its second private moon mission to 2024
A Japanese company that plans to put a robotic lander on the surface of the moon later this year had to postpone its second planned mission by at least 12 months.
Astronomers detect powerful cosmic object unlike anything they've seen before
Astronomers have discovered a mysterious, flickering object in the Milky Way that belches enormous amounts of energy toward Earth three times an hour.
Israel signs Artemis accords for moon exploration
The country is already testing a radiation vest on Artemis 1, the first uncrewed mission of the program.
Europe's sun mission flew through the tail of Comet Leonard
As Comet Leonard bid farewell to Earth and flew past Venus, a sun-studying spacecraft flew through the comet's long tail, giving humans a new perspective on the icy wanderer.
