NASA’s DART mission proved that a spacecraft can nudge an asteroid system in space, offering a real test of planetary defense. NASA’s DART (Double Asteroid Redirection Test) spacecraft changed the ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

When NASA’s DART spacecraft deliberately crashed into the asteroid moonlet Dimorphos, it did more than change the asteroid’s local orbit — it slightly shifted the path of the entire asteroid pair ...

American space agency NASA said that the 2022 impact between the DART spacecraft and a distant asteroid pair changed the latter's orbit around the Sun.

An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger ...

How a new startup plans to power satellites with lasers. A new class of ultrafast AI chips also uses lasers. And startup Axiomatic AI is building better AI models for science and engineering.

The Sun is not nailed to the center of the solar system. It moves, wobbles, and traces a small loop through space, tugged by ...

NASA’s 1,323-pound Van Allen Probe A will re-enter Earth’s atmosphere soon. Most of the spacecraft will burn up, but some components may survive, with low risk to humans.

Plans are afoot to launch large mega-constellations of AI data centers into Earth orbit. That ambition, pursued by multiple space industry leaders, coincides with a warning from scientists of ...

New spacecraft techniques propose using CubeSats, laser rangefinding, and precise Doppler measurements to determine the mass of potentially hazardous asteroids during flyby missions.

The LLM race stopped being a close contest pretty quickly.

Despite significant scientific advancement over the last decades, the universe still finds new ways to surprise us. Every ...