Mars is about to receive a double dose of attention. This weekend, a pair of identical NASA satellites will launch together ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

That’s what it took to save NASA’s ESCAPADE mission from a lengthy delay, and possible cancellation, after its rocket wasn’t ready to send it toward Mars during its appointed launch window last year.

Have you ever wondered how long it takes for each planet to orbit the Sun? From Mercury’s blazing 88-day year to Neptune’s astonishing 165-year journey, every planet moves at a completely different ...

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

On Sunday, NASA's Escapade, a collaborative effort among the space agency, UC Berkeley and Jeff Bezos' Blue Origin, will ...

If you think you've met the wildest exoplanet yet, you haven't learned about TOI-4507 b. Second, TOI-4507 b is on a nearly polar orbit; it swings around its star almost perfectly perpendicular to the ...

Aging stars may be destroying the giant planets orbiting closest to them, according to a new study by astronomers at UCL and ...

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand into red giants.

Our Moon is slowly drifting away from Earth, not just due to tidal friction as previously thought. New research suggests ...

An asteroid named 2025 PN7 has been in quasi-orbit of Earth for approximately 60 years. It's expected to stay there for ...